English

intercavernous

From inter- + cavernous.

Proto-Indo-European *h₁én ‘in’

Proto-Indo-European *h₁entér ‘between’

Proto-Italic *n̥ter ‘between’

Latin inter ‘between’

Middle English cavernous ‘having a cavern or caverns’

Today it means

adj Between the cavernous sinuses.

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

Etymograph / intercavernous