Origin: 1250–1300; Middle English (noun and adj.) < Old French < Late Latin sapidus wise, tasteful (Latin: tasty), equivalent to sap(ere) to know, be wise, orig. to taste (see sapient) + -idus-id4
"wise," c.1300, from O.Fr. sage (11c.), from Gallo-Romance *sabius, from V.L. *sapius, from L. sapere "have a taste, have good taste, be wise," from PIE base *sap- "to taste." The noun meaning "man of profound wisdom" is recorded from c.1300. Originally applied to the Seven Sages -- Thales, Solon, Periander,