What is the meaning of Basetla?

basolia (Ukrainian and Polish folk instrument of the bowed string family similar to the cello, although usually slightly larger and not as sophisticated in construction)

cello, violoncello (large unfretted stringed instrument of the violin family with four strings tuned (lowest to highest) C-G-D-A and an endpin to support its weight, usually played with a bow)

Source: wiktionary.org