Where does “costardmonger” come from?

costardmonger (English) comes from English costard, from Old French coste, from Latin costa, from Proto-Indo-European kost-.

Ancestry of “costardmonger”, step by step

costardmonger traces back through two separate lines of ancestry.

via English costard

StepLanguageWordMeaning
1EnglishcostardA large cooking apple; The tree on which large...
2Old Frenchcosteside; coast; rib
3Latincostaa rib; a side, a wall
4Proto-Indo-Europeankost-

via English monger

StepLanguageWordMeaning
1EnglishmongerA dealer in a specific commodity; A person...
2Middle EnglishmongereA retailer; a merchant
3Old Englishmāngeretrader, merchant, dealer, monger
4Old Englishmāngianto trade, traffic, do as a monger
Every word from Proto-Indo-European kost-Every word from Latin costaEvery word from Old French coste