Where does “go bráth” come from?

go bráth (Irish) comes from Irish go, from Old Irish co, 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,...

Ancestry of “go bráth”, step by step

go bráth traces back through two separate lines of ancestry.

via Irish go

StepLanguageWordMeaning
1Irishgothat; used to introduce a subjunctive hortative;...
2Old Irishcowith; how?; to, toward
3Proto-Celtickomwith, co-
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,...

via Irish brath

StepLanguageWordMeaning
1Irishbrathverbal noun of braith; perception, feeling,...
2Middle Irishbráthjudgment, destruction
3Old Irishmrathverbal noun of marnaid
4Old Irishmarnaidto betray; to deceive, delude
5Proto-Celtic*marnatito betray
6Proto-Indo-Europeanmerh₂-to seize, grip; to pack
Every word from Proto-Indo-European gū-Every word from Proto-Indo-European gʷet-Every word from Proto-Germanic kweduz
go bráth — Etymology, Origin & Word History | Etymology Explorer