English

labiolateral

From labio- + lateral.

Proto-Indo-European *leb- ‘to hang down loosely’

Proto-Indo-European *l̥b-yóm

Proto-Italic *labjom

Latin labium ‘a lip’

Latin latus ‘the side or flank’

Latin laterālis ‘belonging to the side’

Today it means

adj lateral to the lips or labia

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

Etymograph / labiolateral