Where does “pignus” come from?

pignus (Vulgar Latin) comes from Latin pignus, from Proto-Indo-European peh₂ǵ- — to attach.

Ancestry of “pignus”, step by step

StepLanguageWordMeaning
1Latinpignuspledge, mortgage; hostage; wager, stake
2Proto-Indo-Europeanpeh₂ǵ-to attach

Words derived from “pignus”

Every word from Proto-Indo-European peh₂ǵ- →Every word from Latin pignus →
pignus — Etymology, Origin & Word History | Etymology Explorer