Where does “поддакивать” come from?

поддакивать (Russian) comes from Russian подда́кнуть, from Russian да, from Old East Slavic да, from Proto-Slavic da, from Serbo-Croatian да̏ти, from Proto-Slavic dȁti, from Proto-Balto-Slavic dṓˀtei, from Proto-Indo-European dédeh₃ti — to give.

поддакивать (Russian): to say yes (to), to assent (to), to echo

Definitions

  1. to say yes (to), to assent (to), to echo

Ancestry of “поддакивать”, step by step

StepLanguageWordMeaning
1Russianподда́кнутьto say yes (to), to assent (to), to echo
2Russianдаyes; and; but
3Old East Slavicдаand
4Proto-Slavicdayes, yeah; in order to
5Serbo-Croatianда̏тиto give
6Proto-Slavicdȁtito give
7Proto-Balto-Slavicdṓˀteito give
8Proto-Indo-Europeandédeh₃tito be giving
9Proto-Indo-Europeandeh₃-to give
Every word from Proto-Indo-European deh₃-Every word from Proto-Indo-European dédeh₃tiEvery word from Proto-Balto-Slavic dṓˀtei