English

intertemporal

From inter- + temporal.

Proto-Indo-European *h₁én ‘in’

Proto-Indo-European *h₁entér ‘between’

Proto-Italic *n̥ter ‘between’

Latin inter ‘between’

Middle English temporal ‘transitory, worldly, material, of secular…’

Today it means

adj Describing any relationship between past, present and future events or conditions.

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

Etymograph / intertemporal