Where does “удержание” come from?

удержание (Russian) comes from Russian удержа́ть, from Russian у-, from Proto-Slavic u- — away.

удержание (Russian): keeping, retention

Definitions

  1. keeping, retention

Ancestry of “удержание”, step by step

StepLanguageWordMeaning
1Russianудержа́тьto retain, to hold, to withhold
2Russianу-away; with a more concrete purpose
3Proto-Slavicu-away
Every word from Proto-Slavic u- →Every word from Russian у- →Every word from Russian удержа́ть →