Where does “трѣба” come from?

трѣба (Church Slavonic) comes from Proto-Slavic terba, from Proto-Germanic þerb-.

Ancestry of “трѣба”, step by step

StepLanguageWordMeaning
1Proto-Slavicterbaneed
2Proto-Germanicþerb-

Words derived from “трѣба

Every word from Proto-Germanic þerb-Every word from Proto-Slavic terba