Where does “cyf-” come from?

cyf- (Welsh) comes from Middle Welsh kyu-, from Proto-Brythonic köβ̃-, from Proto-Celtic kom-, from Proto-Indo-European ḱóm, from Proto-Indo-European ḱe, from Middle English kyt, from German kitt, from Old High German kuti — to bend; curve; arch; vault; to bow, bend, arch,...

cyf- (Welsh): together, co-, con-; equal, similar, equi-;...

Definitions

  1. together, co-, con-; equal, similar, equi-;...

Ancestry of “cyf-”, step by step

StepLanguageWordMeaning
1Middle Welshkyu-con-, with
2Proto-Brythonicköβ̃-Prefix with associative meaning
3Proto-Celtickom-with, together
4Proto-Indo-Europeanḱómbeside, near, by, with
5Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
6Middle Englishkyt
7Germankittputty certain kinds of cement used for fixing e.g. window panes
8Old High Germankuti
9Proto-West Germanickwidugum, resin
10Proto-Germanickweduzresin
11Proto-Indo-Europeangʷet-resin, gum; to say, speak
12Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...

Words derived from “cyf-

Every word from Proto-Indo-European gū-