Where does “cal” come from?

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

Ancestry of “cal”, step by step

StepLanguageWordMeaning
1Vulgar Latincals—
2Latincalxlimestone; chalk; the finish line
3Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

Words derived from “cal”

Every word from Ancient Greek χάλιξ →Every word from Latin calx →Every word from Vulgar Latin cals →