The story
From quicken + -s (suffix forming pluralia tantum, plurals of nouns, and the third-person singular indicative present tense of verbs).
Etymology from Wiktionary, CC BY-SA 4.0.
quickens
quick·ensToday it means: Synonym of couch grass (“a species of grass, Elymus repens”); also, the underground rhizomes of this, and sometimes other grasses. Full definition →