Where does “spar” come from?

spar (Middle Low German) comes from English sparstone, from Middle English sparston, from Old English spærstān — gypsum, chalk.

Ancestry of “spar”, step by step

StepLanguageWordMeaning
1Englishsparstonespar
2Middle Englishsparstongypsum, chalk
3Old Englishspærstāngypsum, chalk

Words derived from “spar”

Every word from Old English spærstān →Every word from Middle English sparston →Every word from English sparstone →