Comments:Лексика 528. Formally derived from *bastɨr- 'to cause to press' - which seems rather far-fetched semantically. We may deal here rather with a compound of *bas + *terme 'wall, building', secondary influenced by *bastɨr-ma, *bastɨr-ɨk 'pole for fixing hay and sheaves', see ЭСТЯ 2, 76-77.
