Where does “omsonst” come from?

omsonst (Dutch) comes from German umsonst, from German um, from Middle High German ümbe, from Old High German umbi, from Proto-West Germanic umbi, from Proto-Germanic umbi, from Proto-Indo-European h₂m̥bʰi, from Proto-Indo-European h₂n̥tbʰi — on, onto.

Ancestry of “omsonst”, step by step

StepLanguageWordMeaning
1Germanumsonstfree of charge, gratis; in vain, without success;...
2Germanumabout; around; at, by
3Middle High Germanümbe
4Old High Germanumbiaround
5Proto-West Germanicumbiaround
6Proto-Germanicumbiaround, about
7Proto-Indo-Europeanh₂m̥bʰiaround, on either side of, about; in exchange...
8Proto-Indo-Europeanh₂n̥tbʰi
9Proto-Indo-Europeanh₂éntsforehead; front
10Proto-Indo-Europeanh₂ent-face; forehead; front
11Proto-Indo-Europeanh₂en-on, onto

Words derived from “omsonst

Every word from Proto-Indo-European h₂en-