Proto-Yenisseian: *bit-
Meaning: mushroom
Kottish: uča-ptar, pl. uča-ptanaŋ, (Бол.) učatapitaran
Arin: pen-betu (Лоск.)
Comments: ССЕ 211. The first part of the Kottish compound contains uča 'birch' (lit. "birch mushroom"); for the Arin form cf. *bol-. Werner 2, 319.