Meaning

adjective equally skillful with each hand

adjective marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another; - Israel Zangwill; ; - W.M.Thackeray

originFrom Medieval Latin ambidexter + -ous, the former from ambi- (“both”) + dexter (“right”), thus literally “both hands being like a right hand”. By surface analysis, ambi- (“both”) + dextrous (“skillful; agile”). The Latin word is first attested in the Vetus Latina, calquing Ancient Greek ἀμφοτεροδέξιος (amphoterodéxios) in Judges 3:15 after the Septuagint, itself translating Hebrew אִטֵּר יַד…

Etymology from Wiktionary, CC BY-SA 3.0