Etymograph

English

interoctahedral

From inter- + octahedral.

Formed from inter- + octahedral

Proto-Indo-European *h₁én ‘in’

Proto-Indo-European *h₁entér ‘between’

Proto-Italic *n̥ter ‘between’

Latin inter ‘between’

English inter-

Today it means

adj Between octahedrons (especially between octahedral cells of a crystal)

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

Etymograph / interoctahedral