Vaginal
来自Big Physics
late 17th century: from Latin, literally ‘sheath, scabbard’.
wiktionary
Borrowing from New Latin vāgīnālis, from vāgīna(“a covering, sheath; the vagina”) + -ālis(“-al”, adjectival suffix); equivalent to vagina + -al.
etymonline
vaginal (adj.)
1726, "pertaining to a sheath," from vagina + -al (1). From 1800 as "pertaining to the vagina of a female." Related: Vaginally.
