Where does “cals” come from?

cals (Vulgar Latin) comes from Latin calx, from Ancient Greek χάλιξ — small stone, pebble; gravel, rubble.

Ancestry of “cals”, step by step

StepLanguageWordMeaning
1Latincalxlimestone; chalk; the finish line
2Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

Words derived from “cals

Every word from Ancient Greek χάλιξEvery word from Latin calx