Where does “roc” come from?

roc (Irish) comes from Old Norse hrukka, from Proto-Germanic hrunkijō, from Proto-Indo-European sḱer- — to caw, crow.

roc (Irish): ray; wrinkle, ruck, crease, pucker; wrinkle,...

Definitions

  1. ray; wrinkle, ruck, crease, pucker; wrinkle,...

Ancestry of “roc”, step by step

roc traces back through two separate lines of ancestry.

via Old Norse hrukka

StepLanguageWordMeaning
1Old Norsehrukkawrinkle
2Proto-Germanichrunkijō—
3Proto-Indo-Europeansḱer-to caw, crow

via Old Irish roc

StepLanguageWordMeaning
1Old Irishrocwrinkle

Words derived from “roc”

Every word from Proto-Indo-European sḱer- →Every word from Proto-Germanic hrunkijō →Every word from Old Norse hrukka →