Where does “поддержание” come from?

поддержание (Russian) comes from Russian поддержа́ть, from Russian под-, from Proto-Slavic podъ- — under-.

поддержание (Russian): maintenance, maintaining, support; keeping up

Definitions

  1. maintenance, maintaining, support; keeping up

Ancestry of “поддержание”, step by step

StepLanguageWordMeaning
1Russianподдержа́тьto support, to back up, to second
2Russianпод-upwards; closer; adding
3Proto-Slavicpodъ-under-
Every word from Proto-Slavic podъ- →Every word from Russian под- →Every word from Russian поддержа́ть →