Meaning

noun (logic) a proposition that is accepted as true in order to provide a basis for logical reasoning

verb put (something somewhere) firmly

verb put before

originBorrowed from Latin positus, perfect participle of pōnō (“put, place”). Noun sense 3 (type of number format) was coined by American computer scientist and businessman John Gustafson in 2017.

Etymology from Wiktionary, CC BY-SA 3.0