The name Kosta originated from the Greek language and culture. It is a shortened form of the Greek name Konstantinos, which means "constant" or "steadfast." The name has its roots in Ancient Greek, where the word "konstantinos" was derived from the words "kontos," meaning "steadfast," and "statos," meaning "stable."

In the early years of Christianity, the name Konstantinos gained popularity as it was borne by several early Christian saints and martyrs. One of the most notable figures was Saint Constantine the Great, the first Roman emperor to convert to Christianity in the 4th century AD. His decision to embrace Christianity had a profound impact on the spread of the religion throughout the Roman Empire.

The name Kosta is a variation of the more common Greek name Konstantinos, and it has been used in various regions of Greece, as well as in neighboring countries with Greek communities, such as Bulgaria, Romania, and Serbia. It is believed that the name Kosta gained popularity as a shortened form during the Byzantine era, when the use of diminutive names was common.

One of the earliest recorded examples of the name Kosta can be found in the 11th century, when a Byzantine scholar and theologian named Kostas Lykoudis lived during the reign of Emperor Alexios I Komnenos. Lykoudis was known for his work on the interpretation of the Gospels and his contributions to Byzantine literature.

Throughout history, several notable figures have borne the name Kosta. Kosta Hetényi (1856-1942) was a Hungarian painter and art educator who played a significant role in the development of Hungarian art education in the late 19th and early 20th centuries. Kosta Tsiu (1920-2008) was a renowned Albanian writer and journalist, known for his contributions to Albanian literature and his advocacy for human rights.

Kosta Khetagurov (1859-1906) was a prominent Ossetian poet, writer, and public figure who played a crucial role in the development of Ossetian literature and the preservation of Ossetian culture. Kosta Novaković (1842-1915) was a Serbian politician and diplomat who served as the Prime Minister of Serbia and played a significant role in the country's foreign policy during the late 19th century.

Kosta Racin (1908-1943) was a Macedonian revolutionary and one of the founders of the Macedonian revolutionary movement. He fought for the liberation of Macedonia from Ottoman rule and is considered a national hero in North Macedonia.