What is the coffee tree origin story behind Kaldi and Omar
The origin of coffee is told through several competing legends rather than one verified account. The most widely repeated version describes Kaldi, an Ethiopian goatherd around 700 AD, whose flock grew unusually energetic after eating red berries; he tried the fruit himself and felt his fatigue lift. A second well-known legend credits Sheikh Omar, an exiled Islamic imam, with accidentally discovering coffee.
The Kaldi story was recorded by Roman linguist Antoine Faustus Nairon and was long accepted in Europe as the true coffee tree origin, though it lacks solid evidence. The Sheikh Omar tale is similarly unverified. Historians treat both as anecdotes that shaped how famous Ethiopian coffee and its spread were imagined, not as documented events.
The origins of coffee are widely disputed, with countless versions circulating through the ages. Although the vast majority lack solid evidence, they are still interesting to learn about as anecdotes. Today, Front Street has selected three of the more well-known versions from the many legends to share with you these fantastical stories about the origin of coffee. These include the most familiar "coffee goatherd" tale—written by Roman linguist Nairon, which tells of the Ethiopian goatherd Kaldi's magical experience discovering the red berries; and the legend about the Islamic imam Sheikh Omar accidentally discovering coffee after being exiled. Although these stories have many holes, they were believed to be true by people for a very long time.
There are countless legends about the origin of coffee. Although the vast majority cannot withstand scrutiny, leafing through these stories in one's spare time is quite entertaining~ So today, what Front Street wants to share with everyone is the widely circulated "coffee origin theories" from various places.
Since there are simply too many versions, Front Street has selected three of the more famous ones to share with you~ (Note: Just take it with a grain of salt)
One: The Coffee Goatherd Theory This version is the most widely circulated and was once the coffee origin theory that Europeans believed in for a long time. It was written by Roman linguist Nairon (Antoine Faustus Nairon): Around 700 AD, in Ethiopia there was a boy named "Kaldi" who made his living herding sheep, driving his flock through the mountains and forests every day to find pasture. One day, he suddenly noticed that his flock had become unusually excited, jumping around nonstop and running about wildly. Even the old sheep and sick sheep seemed especially spirited and full of energy. So he began to ponder the reason. After some observation, he discovered that the flock had reacted this way because they had eaten a kind of red berry they had never seen before. So he picked a few to try himself, and unexpectedly the fruit was sweet and sour and pleasant to eat. Not long after, the fatigue in his body disappeared, and he felt refreshed with renewed energy. From that day on, he followed his flock everywhere to pick this fruit, eating it himself and enjoying it himself.

Until one day, an elder from a nearby mosque passed by and saw Kaldi and his flock full of energy, jumping around as if possessed, so he approached to ask what was going on. After Kaldi told the elder about the effects of the fruit, the elder skeptically picked some to try. Sure enough, just like Kaldi, not long after swallowing them he regained his energy and felt full of vitality, which left a deep impression on the elder. That night, the elder returned to the mosque to pray, when suddenly a wave of drowsiness came over him and he fell straight into sleep. In his dream, the Islamic prophet Muhammad appeared and instructed him that if he simply boiled those red berries from the day and drank the water, he would be able to dispel drowsiness and become immediately alert. After the elder followed this advice, the effect was exactly the same! Thereafter, before night prayers, Muslims would first drink the brew made from boiling these berries to refresh themselves and sharpen their minds. As its effects spread far and wide, this drink called "qahwa" spread in all directions, and Kaldi also came to be known as the first person to discover coffee.
This is the full content of "The Coffee Goatherd Theory." Although it has many flaws, for a very long time many people firmly believed this legend. Two: The Exiled Sheikh Omar There is another legend that is also widely circulated: This legend tells of an Islamic imam at the port of Mocha—Sheikh Omar. Because he had helped many people locally, he aroused the jealousy of the governor of Mocha, who worried that Omar's reputation would overshadow his own. So he exiled Omar to a remote mountainous area of the country, leaving him to fend for himself. One day, while searching for food in the mountains, he found an unknown tree bearing red fruit, so he picked some and brought them back as food. It turned out that the seeds inside the fruit were large and hard, and simply could not be swallowed. So he roasted these seeds over fire until they were charred black, then boiled them in water and drank the liquid. Unexpectedly, this pot of black water gave off a fascinating aroma, and after drinking it, his fatigue completely disappeared and he was filled with vitality. Thereafter, Omar went every day to pick this magical red fruit. Whenever he encountered someone exhausted from illness, he would roast the fruit, boil it in water, and give it to the patient to drink, and they would quickly shake off their drowsiness and recover their energy.

The above content is compiled by CoffeeHunters, a coffee news website.