Etymograph

English

interfocal

From inter- + focal.

Formed from inter- + focal

Proto-Indo-European *h₁én ‘in’

Proto-Indo-European *h₁entér ‘between’

Proto-Italic *n̥ter ‘between’

Latin inter ‘between’

English inter-

New Latin focālis

English focal

Today it means

adj Between foci

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

Etymograph / interfocal