Where does “обнадёжить” come from?

обнадёжить (Russian) comes from Russian надёжа, from Old East Slavic надежа, from Proto-Slavic nadeďa, from Proto-Slavic děti, from Proto-Balto-Slavic dḗˀtei, from Proto-Indo-European dʰeh₁- — to do, put, place.

обнадёжить (Russian): to assure, to reassure, to encourage

Definitions

  1. to assure, to reassure, to encourage

Ancestry of “обнадёжить”, step by step

обнадёжить traces back through two separate lines of ancestry.

via Russian надёжа

StepLanguageWordMeaning
1Russianнадёжаhope; support, stronghold
2Old East Slavicнадежа
3Proto-Slavicnadeďahope
4Proto-Slavicdětito do; to put, to place; to thread, to pass...
5Proto-Balto-Slavicdḗˀteito put, to place; to do
6Proto-Indo-Europeandʰeh₁-to do, put, place

via Russian об–

StepLanguageWordMeaning
1Russianоб–before certain letters

Words derived from “обнадёжить

Every word from Proto-Indo-European dʰeh₁-Every word from Proto-Balto-Slavic dḗˀteiEvery word from Proto-Slavic děti