Where does “schem” come from?

schem (Middle Dutch) comes from Old Dutch skimo, from Proto-West Germanic *skīmō, from Proto-Germanic skīmô, from Proto-Indo-European (s)ḱeyh₁- — to shimmer; shadow; to shimmer.

Ancestry of “schem”, step by step

schem traces back through two separate lines of ancestry.

via Old Dutch skimo

StepLanguageWordMeaning
1Old Dutchskimoshine, sparkle
2Proto-West Germanic*skīmō—
3Proto-Germanicskīmôshine; luminescence; light; lamp
4Proto-Indo-European(s)ḱeyh₁-to shimmer; shadow; to shimmer

via Old Dutch skim

StepLanguageWordMeaning
1Old Dutchskim—
2Proto-Germanicskimaz—
Every word from Proto-Indo-European (s)ḱeyh₁- →Every word from Proto-Germanic skīmô →Every word from Proto-West Germanic *skīmō →