Meaning

noun the cognitive condition of someone who understands

verb get the meaning of something

originAlteration of save, sabi (“to know”) (in English-based creoles and pidgins), from Portuguese sabe (“[she/he] knows”), from saber (“to know”), from Latin sapere (“to taste; to know”). First appears c. 1785 in a dictionary by Francis Grose, as a noun, “practical sense, intelligence”; also a verb, “to know, to understand”. The adjective is first recorded 1905, from the noun.

Etymology from Wiktionary, CC BY-SA 3.0