English

interpilaster

From inter- + pilaster.

Proto-Indo-European *h₁én ‘in’

Proto-Indo-European *h₁entér ‘between’

Proto-Italic *n̥ter ‘between’

Latin inter ‘between’

Italian pilastro

Middle French pilastre

Today it means

noun The interval or space between two pilasters

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

Etymograph / interpilaster