The personal name of nickname type, formed from the noun "snow" with the suffix "-ko." This name was used among Ukrainians since the 15th century, and by the 17th century, it had already taken on the role of a surname. For example, in 1464, it was recorded as: Snѣжko - servant of Prince Ostroh. The same year, a Russian record stated: "and the letter was written by Snєžko - servant of Prince Ostroh." In 1500, it was mentioned: "radcy mista beresteyskoho Dankoa Snezko" - village of Trishin. In 1609, a record can be found: Pan Snѣжko Kuzemka - the city of Zhytomyr. In 1552, a patronymic "Sen'ko Snezkovych" was recorded - the city of Mozyr. The personal name "Sneśko" is also present among Croatians, and in the Middle Ages, the name "Snyeżek" was noted among Poles.