mare

the word for a "she-horse":

• Proto-Germanic *marhijō ("female horse")
• Proto-Germanic *marhaz ("horse") + *jõ ("female")
  • PIE (disputed) *márkos ("horse")

likely links (but not proven):

• Proto-Sino-Tibetan *k-m-raŋ or *s-raŋ, i.e.
  • Chinese 马 mǎ ("horse")
• Mongolian морь mor' ("horse")
• Korean 말 mal ("horse")
• Japanese 馬 uma ("horse")
• Nivkh (eastern Siberia) мурӈ murng ("horse")
• Old Tamil 𑀫𑀸 ma ("horse")
  • Tamil மா ma ("horse")
    • although a more common word is குதிரை kutirai