Comments:АПиПЯЯ 276, Мудрак Дисс. 89. Cf. *kéro. In PTM cf. perhaps *(x)arča- 'to meet, oppose (an animal during hunting)' (ТМС 1, 53) - a root that should be kept distinct from *ača- 'to meet'. In this case the reconstruction *k`àra should be preferred for PA.