Definition of Japhetic
1
: relating to or derived from Japheth who was a son of Noah
—used vaguely as an ethnological epithet for the Caucasians of Europe and some adjacent parts of Asia
2
: of, relating to, or constituting a group of early non-Indo-European languages in Europe and western Asia assumed by some to form one family with the Caucasian languages and including Basque, Etruscan, Minoan, and sometimes Sumerian and Elamite — compare asianic
