Meaning

adjective not fake or counterfeit

originBorrowed from German echt (“real”). The German term originates from Middle Low German echt (“lawful, genuine”), contraction of ehacht, variant form of ehaft (“lawful, pertaining to the law”) from ê(e) (“law, marriage”). First use in English appears c. 1916.

Etymology from Wiktionary, CC BY-SA 3.0