Where does “посвистывать” come from?

посвистывать (Russian) comes from Russian по́-, from Russian -бира́ть.

посвистывать (Russian): to whistle

Definitions

  1. to whistle

Ancestry of “посвистывать”, step by step

StepLanguageWordMeaning
1Russianпо́-perfective aspect
2Russian-бира́ть—
Every word from Russian -бира́ть →Every word from Russian по́- →