Where does “comaoin” come from?

comaoin (Irish) comes from Old Irish comman, from Latin commūniō, from Latin commūnis, from Old Latin com(m)oinis, from Proto-Italic kommoinis, from Proto-Indo-European ḱom-moy-ni-, from Proto-Indo-European ḱóm, from Proto-Indo-European ḱe — to bend; curve; arch; vault; to bow, bend, arch,...

comaoin (Irish): favor, obligation; return for favor, recompense;...

Definitions

  1. favor, obligation; return for favor, recompense;...

Ancestry of “comaoin”, step by step

comaoin traces back through two separate lines of ancestry.

via Old Irish comman

StepLanguageWordMeaning
1Old Irishcommanthat we may be
2Latincommūniōto barricade
3Latincommūniscommon, commonplace, ordinary, general, universal, shared, shared alike, of both sides, belonging to two or more together
4Old Latincom(m)oinis
5Proto-Italickommoiniscommon
6Proto-Indo-Europeanḱom-moy-ni-held in common
7Proto-Indo-Europeanḱómbeside, near, by, with
8Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
9Middle Englishkyt
10Germankittputty certain kinds of cement used for fixing e.g. window panes
11Old High Germankuti
12Proto-West Germanickwidugum, resin
13Proto-Germanickweduzresin
14Proto-Indo-Europeangʷet-resin, gum; to say, speak
15Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...

via Old Irish commaín

StepLanguageWordMeaning
1Old Irishcommaínequal return; exchange; obligation; favour

Words derived from “comaoin

Every word from Proto-Indo-European gū-Every word from Proto-Indo-European gʷet-Every word from Proto-Germanic kweduz