English
intertheater
From inter- + theater.
Proto-Indo-European *h₁én ‘in’
Proto-Indo-European *h₁entér ‘between’
Proto-Italic *n̥ter ‘between’
Latin inter ‘between’
English inter-
Proto-Indo-European *dʰeyh₂- ‘to perceive, see’
…
Ancient Greek θέᾱτρον ‘a place for viewing’
Latin theātrum ‘theatre’
Old French theatre
Middle English theater
English theater
Today it means
adj Between military theaters.
Language periods are conventional ranges, not dates for this word.
Etymograph / intertheater