English

interorbital

From inter- + orbital.

Proto-Indo-European *h₁én ‘in’

Proto-Indo-European *h₁entér ‘between’

Proto-Italic *n̥ter ‘between’

Latin inter ‘between’

Proto-Indo-European *h₃erbʰ- ‘to turn’

Latin orbita ‘a track or rut’

Medieval Latin orbitālis ‘Tracked, rutted’

Today it means

adj Between orbitals.

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

Etymograph / interorbital