kūšys

From Proto-Indo-European *kuḱis (“(female) pubic hair; vulva”). Cognate with Persian کس‎ (kos, “vulva”) and Latvian kūsis (“public hair, vulva”). Possibly a euphemism from the older meaning "belly", preserved in Sanskrit कुक्षि (kukṣí, “belly”).

kūšỹs m

1. pubic hair
2. vulva

• “kūšys”, in Lietuvių kalbos etimologinio žodyno duomenų bazė [Lithuanian etymological dictionary database], 2007–2012
• Mallory, J. P.; Adams, D. Q., editors (1997) Encyclopedia of Indo-European culture, London, Chicago: Fitzroy Dearborn Publishers, page 507