yielder
Someone or something that yields a crop or other product.
Out of the whole ninety-five [cows] there were eight in particular […] who, though the teats of one or two were as hard as carrots, gave down to her with a readiness that made her work on them a mere touch of the fingers. Knowing, however, the dairyman’s wish, she endeavoured conscientiously to take the animals just as they came, excepting the very hard yielders which she could not yet manage.
Someone or something that yields, or gives way.
Made senseless things begin to do them wrong; For briers and thorns at their apparel snatch; Some sleeves, some hats, from yielders all things catch.
Their sense thus weak, lost with their fears thus strong,
Where it comes from
From Middle English yeldere, ȝelder, ȝeldere, continuing (with change of suffix) Old English ġylda, ġilda (“one who pays, yielder”), from Proto-West Germanic *geldō (“payer”). Equivalent to yield + -er.
Adapted from the Wiktionary entry yielder (CC BY-SA 4.0).