crémaillère

trammel; a type of hook from which a cooking pot can be suspended over a hearth fire at different heights as needed for the right cooking temperature; rack, rack-and-pinion; crémaillère (indented or zigzagging line of entrenchment used in fortification); ellipsis of pendaison de crémaillère; housewarming

From Old French cramail + -ière, from Latin cramalius, cramalium, cramaculus, cramaculum (“trammel”), alteration of cremasculus, cremasculum (“trammel”), diminutive of cremaster from Ancient Greek κρεμαστήρ (kremastḗr).