Etymograph

English

innie

From in + -ie.

A compound of in + -ie

Proto-Indo-European *h₁én ‘in’

Proto-Germanic *in

Proto-West Germanic *in

Old English in

Middle English in ‘inside’

English in

Today it means

noun Anything concave; especially: A navel that is formed of a hollow in the abdomen (as opposed to one that protrudes from the abdomen).

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

Etymograph / innie