French couloir

← French couler (suffix)

← French oir (suffix)

→ English couloir (borrowed)

→ German Couloir (borrowed)

→ Spanish coladero (cognate)

→ French monocouloir (prefix)

→ Polish kuluar (borrowed)

→ Romanian culoar (borrowed)

→ Serbo-Croatian кулоар (mention)

→ Serbo-Croatian kuloar (derived)

→ Swedish kuloar (derived)