Where does “costal” come from?

Costal comes from French costal, from Latin costalis, derived from Latin costa meaning rib, ultimately from Proto-Indo-European kost-.

costal (English): Pertaining to a rib; Pertaining to a costa

Definitions

  1. Pertaining to a rib; Pertaining to a costa

Ancestry of “costal”, step by step

costal traces back through two separate lines of ancestry.

via French costal

StepLanguageWordMeaning
1Frenchcostalcostal
2LatincostalisOf, pertaining to or resembling ribs
3Latincostaa rib; a side, a wall
4Proto-Indo-Europeankost-

via Spanish costal

StepLanguageWordMeaning
1Spanishcostalcostal; sack made of cheap materials, used to...

Words derived from “costal

Every word from Proto-Indo-European kost-
costal — Etymology, Origin & Word History | Etymology Explorer