Where does “услеживать” come from?

услеживать (Russian) comes from Russian уследи́ть, from Russian у-, from Proto-Slavic u- — away.

услеживать (Russian): to keep sight of, to watch

Definitions

  1. to keep sight of, to watch

Ancestry of “услеживать”, step by step

StepLanguageWordMeaning
1Russianуследи́тьto keep sight of, to watch
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 уследи́ть →