Middle French coronnel

← English collateral form (link)

← French colonel (cognate)

← Proto-Indo-European *kelH- (root)

← Proto-Indo-European *kelH- (derived)

← Italian colonnello (derived)

← Italian colonna (mention)

← Proto-Italic *kolamen (inherited)

← Latin columna (derived)

← Latin columen (mention)

→ English colonel (borrowed)

→ Irish coirnéal (derived)