If you describe someone as having savvy, you think that they have a good understanding and practical knowledge of something. He is known for his political savvy and strong management skills. practical knowledge and ability (savvy (18-21 centuries), from sabe , from saber ). someone who is savvy is clever and knows how to deal with situations successfully
the cognitive condition of someone who understands; "he has virtually no understanding of social cause and effect"
[ 'sa-vE ] (verb.) 1785. Alteration of sabi (“know”) (in English-based creoles and pidgins), from Portuguese or Spanish sabe (“ knows”), from saber (“to know”), from Latin sapere (“to be wise”). 1785, as a noun, "practical sense, intelligence;" also a verb, "to know, to understand;" West Indies pidgin borrowing of French savez(-vous) (“do you know”)" or Spanish sabe (usted) (“you know”), both from Vulgar Latin *sapere, from Latin sapere (“be wise, be knowing”) (see sapient). The adjective is first recorded 1905, from the noun.