Where does “unknown” come from?

unknown (Old French) comes from Proto-West Germanic Hrōþiland, from Proto-West Germanic hrōþi, from Proto-Germanic hrōþiz, from Proto-Indo-European kréh₃tis.

Ancestry of “unknown”, step by step

StepLanguageWordMeaning
1Proto-West GermanicHrōþiland—
2Proto-West Germanichrōþipraise, fame, glory, renown
3Proto-Germanichrōþizpraise, fame, glory, renown
4Proto-Indo-Europeankréh₃tis—

Words derived from “unknown”

Every word from Proto-Indo-European kréh₃tis →Every word from Proto-Germanic hrōþiz →Every word from Proto-West Germanic hrōþi →
unknown — Etymology, Origin & Word History | Etymology Explorer