English

interanimal

From inter- + animal.

Proto-Indo-European *h₁én ‘in’

Proto-Indo-European *h₁entér ‘between’

Proto-Italic *n̥ter ‘between’

Latin inter ‘between’

Proto-Indo-European *h₂enh₁- ‘to breathe’

…

Latin animālis

Latin animal

Old French animal

Middle English animal ‘an animal’

Today it means

adj Between animals

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

Etymograph / interanimal