Where does “взаимопонимание” come from?

взаимопонимание (Russian) comes from Russian взаимо-, from Russian -о-, from Old East Slavic -о-, from Proto-Slavic -o-.

взаимопонимание (Russian): mutual / common understanding, consensus; rapport

Definitions

  1. mutual / common understanding, consensus; rapport

Ancestry of “взаимопонимание”, step by step

StepLanguageWordMeaning
1Russianвзаимо-co-
2Russian-о-water; art; owner
3Old East Slavic-о-—
4Proto-Slavic-o-—
Every word from Proto-Slavic -o- →Every word from Russian -о- →Every word from Russian взаимо- →