Where does “περί” come from?

περί (Ancient Greek) comes from Latin cambium, from Gaulish cambion, from Proto-Celtic kambos, from Proto-Indo-European kamp- — to bend; crooked; crooked.

Definitions

Ancestry of “περί”, step by step

περί traces back through two separate lines of ancestry.

via Latin cambium

StepLanguageWordMeaning
1LatincambiumA change; cambium
2Gaulishcambionchange
3Proto-Celtickamboscurved; twisted, crooked
4Proto-Indo-Europeankamp-to bend; crooked; crooked

via Proto-Indo-European per-

StepLanguageWordMeaning
1Proto-Indo-Europeanper-before, in front; first; to go through
2Proto-Indo-Europeanpr̥tóspassed , crossed

Words derived from “περί”

Every word from Proto-Indo-European kamp- →Every word from Proto-Celtic kambos →Every word from Gaulish cambion →