Meaning

noun structure consisting of a row of evenly spaced columns

noun a structure composed of a series of arches supported by columns

originEtymology tree French colonne Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-tós Proto-Indo-European *-eh₂tos Proto-Italic *-ātos Latin -ātus Latin -atader. Occitan -adader. French -ade French colonnadebor. English colonnade Borrowed from French colonnade.

Etymology from Wiktionary, CC BY-SA 3.0