Where does “bagienko” come from?

bagienko (Polish) comes from Polish bagno, from Old Polish bagno, from Proto-Slavic bagno, from Proto-Slavic bagati — to ignite fire.

Ancestry of “bagienko”, step by step

StepLanguageWordMeaning
1Polishbagnoswamp, marsh, bog; marsh rosemary and the whole...
2Old Polishbagnoswamp
3Proto-Slavicbagnomarsh
4Proto-Slavicbagatito ignite fire
Every word from Proto-Slavic bagati →Every word from Proto-Slavic bagno →Every word from Old Polish bagno →