English

labiomental

From labio- + mental.

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

Proto-Indo-European *l̥b-yóm

Proto-Italic *labjom

Latin labium ‘a lip’

Proto-Indo-European *men- ‘to think’

…

Proto-Italic *mentis ‘mind’

Latin mēns ‘mind’

Late Latin mentālis ‘mental’

Middle French mental

Today it means

adj Relating to the lips and the mentum (chin)

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

Etymograph / labiomental