English

interoccasion

From inter- + occasion.

Proto-Indo-European *h₁én ‘in’

Proto-Indo-European *h₁entér ‘between’

Proto-Italic *n̥ter ‘between’

Latin inter ‘between’

Latin cadō ‘to fall’

…

Latin occāsiō ‘opportunity’

Old French occasiun

Middle French occasion

Middle English occasioun

Today it means

adj Between successive occasions

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

Etymograph / interoccasion