Where does “drgalnica” come from?

drgalnica (Polish) comes from Polish drgać, from Proto-Slavic drъgati, from Proto-Balto-Slavic drugā́ˀtei.

drgalnica (Polish): any of the genus Oscillatoria of cyanobacteria

Definitions

  1. any of the genus Oscillatoria of cyanobacteria

Ancestry of “drgalnica”, step by step

StepLanguageWordMeaning
1Polishdrgaćto vibrate, to tremble, to quiver
2Proto-Slavicdrъgatito tremble, shake
3Proto-Balto-Slavicdrugā́ˀtei—
Every word from Proto-Balto-Slavic drugā́ˀtei →Every word from Proto-Slavic drъgati →Every word from Polish drgać →