Where does “colomen” come from?

colomen (Welsh) comes from Dutch kolom, from Bengali কলম, from Classical Persian قلم, from Arabic قَلَم, from Ancient Greek κάλαμος, from Proto-Indo-European ḱolh₂-m-, from Proto-Indo-European kolH- — to raise, to lift, to build; awn.

colomen (Welsh): dove, pigeon, culver; a sloven in finery; female...