Where does “geallúint” come from?

geallúint (Irish) comes from Irish geall, from Old Irish gell, from Proto-Celtic geldom, from Proto-Indo-European gʰeldʰ- — to repay, reward; to pay; to pay for, repay.

Ancestry of “geallúint”, step by step

StepLanguageWordMeaning
1Irishgeallpledge, pawn, token; bet, wager; asset, resource
2Old Irishgella pledge, a surety; a hostage; a stake, a wager
3Proto-Celticgeldompledge
4Proto-Indo-Europeangʰeldʰ-to repay, reward; to pay; to pay for, repay
Every word from Proto-Indo-European gʰeldʰ-Every word from Proto-Celtic geldomEvery word from Old Irish gell