The Sanskrit word gáuḥ
Word gáuḥ
Meaning cow
See also Proto-Indo-European: *gʷōus ‘cow, bull’
Armenian: kov ‘cow’
Tocharian B: keu ‘cow’
Hittite: kuu̯āu- ‘cow’
Avestan: gauu- ‘cow, bull’

Other words that might be of interest
aśvaḥ ‘horse’, úṣṭra- ‘camel’