Tocharian A yuk

← Proto-Indo-European *h₁éḱwos (inherited)

← Proto-Tocharian *yä́kwë (inherited)

← Latin equus (cognate)

← Old Irish ech (cognate)

← Tocharian B yakwe (cognate)

→ Old English eoh (cognate)

→ Old Norse jór (cognate)

→ Tocharian B yakwe (cognate)