出典:Wiktionary
From Middle English yeld, from 古期英語 ġilde (“valuable, of worth”), from Proto-Germanic *gildiz (“valuable, valid, wholesome, precious”), from Proto-Indo-European *gʰeldʰ- (“to pay for, repay”). Cognate with Scots yauld (“active, strong, mighty”), Old Norse gildr (“of full worth, size, measure, または quality; full; complete; absolute; great”) (whence Icelandic gildur (“valid, thick, prominent, important”), Swedish gild (“stout, of full size”), Danish gild (“brawny, of full size, fine”). Related to yield.
yauld (comparative yaulder または more yauld, superlative yauldest または most yauld)