English

interlapse

From inter- + lapse.

Proto-Indo-European *h₁én ‘in’

Proto-Indo-European *h₁entér ‘between’

Proto-Italic *n̥ter ‘between’

Latin inter ‘between’

Latin lābor ‘to slip’

Latin lāpsus

Middle French laps

English lapse

Today it means

noun The time between two events.

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

Etymograph / interlapse