Where does “posługiwacz” come from?

posługiwacz (Polish) comes from Polish posługiwać, from Polish posłużyć, from Polish po-, from Old Polish po-, from Proto-Slavic po- — after.

Ancestry of “posługiwacz”, step by step

StepLanguageWordMeaning
1Polishposługiwaćto serve
2Polishposłużyćto come in handy
3Polishpo-Prepended to imperfective verbs to form iterative...
4Old Polishpo-perfectivizing prefix
5Proto-Slavicpo-after
Every word from Proto-Slavic po-Every word from Polish po-Every word from Old Polish po-