English

intervaginal

From inter- + vaginal.

Proto-Indo-European *h₁én ‘in’

Proto-Indo-European *h₁entér ‘between’

Proto-Italic *n̥ter ‘between’

Latin inter ‘between’

Proto-Italic *wāgīnā ‘sheath, scabbard’

Latin vāgīna ‘a covering, sheath’

New Latin vāgīnālis

Today it means

adj Between vaginae or sheaths.

Language periods are conventional ranges, not dates for this word.

Etymograph / intervaginal