Where does “caul” come from?

caul (Middle English) comes from Old English cāul, from Latin caulis, from Ancient Greek καυλός, from Proto-Indo-European keh₂ulós.

Ancestry of “caul”, step by step

StepLanguageWordMeaning
1Old Englishcāul—
2Latincaulisdative plural of caulae; ablative plural of...
3Ancient Greekκαυλόςstem, stalk; shaft
4Proto-Indo-Europeankeh₂ulós—
Every word from Proto-Indo-European keh₂ulós →Every word from Ancient Greek καυλός →Every word from Latin caulis →