Colonnade

google

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early 18th century: from French, from colonne ‘column’, from Latin columna .

wiktionary

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Borrowed from French colonnade.

etymonline

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colonnade (n.)

in architecture, "a series of columns placed at certain intervals," 1718, from French colonnade, from Italian colonnato, from colonna "column," from Latin columna "pillar," collateral form of columen "top, summit," from PIE root *kel- (2) "to be prominent; hill." Also see -ade. Related: Colonnaded.