←
Proto-Indo-European *en (inherited)
←
Proto-Indo-European *n̥- (inherited)
←
Proto-Tocharian *e(n)- (inherited)
→
Tocharian B ayāto (affix)
→
Tocharian B atāmo (affix)
→
Tocharian B aplāc (affix)
→
Tocharian B aśāwe (mention)
→
Tocharian B aṣkār (affix)