of | Etymology, origin and meaning of of by etymonline
https://www.etymonline.com/word/of
WebAug 15, 2019 · prefix or inseparable particle, a conglomerate of various Germanic and Latin elements. In words derived from Old English, it commonly represents Old English an "on, in, into" (see on (prep.)), as in alive, above, asleep, aback, abroad, afoot, ashore, ahead, abed, aside, obsolete arank "in rank and file," etc., forming adjectives and adverbs from nouns, with the notion "in, at; engaged in."
DA: 78 PA: 66 MOZ Rank: 31