Where does “Dobiegała” come from?

Dobiegała (Polish) comes from Polish dobiegać, from Polish do-, from Old Polish do-, from Proto-Slavic do-.

Ancestry of “Dobiegała”, step by step

StepLanguageWordMeaning
1Polishdobiegaćto run to, to reach by running
2Polishdo-further, additionally; completing something...
3Old Polishdo-appended to verbs to indicate completion
4Proto-Slavicdo-—
Every word from Proto-Slavic do- →Every word from Polish do- →Every word from Old Polish do- →