出典:Wiktionary
From Irish geilt.
gelt (複数形 gelts)
In the basic sense of "money", attested since the early 16th century,[1][2][3] initially from (an Early New High German continuation of) Middle High German gelt (modern German Geld), from Old High German gelt (“payment, money”),[1][2][3][4] or in some cases from (an Early Modern Dutch continuation of) Middle Dutch gelt.[1][3][4] Later, and in the Jewish-related senses, from Yiddish געלט (gelt).[1][3][4][5] The German, Dutch and Yiddish words are all from Proto-Germanic *geldą (“reward, gift, money”). Doublet of native words geld and yield.
gelt (usually uncountable, 複数形 gelts)