The name Bilonih has Old Ukrainian origins and is a colloquial form first documented in 1552 in a document describing the Vinnytsia castle. In this document, a character named Bilonog Andriyovych is mentioned.The name Bilonih is phonetically similar to the name of the plant Negundo glabra, but it is more likely derived from the non-declined form of the adjective "bilonovyi," which means "a person with white legs."Thus, the name Bilonih can be interpreted as denoting a person with a characteristic feature - white legs.