From pathah; expansion; Jepheth, a son of Noah; also his posterity -- Japheth.
see HEBREW pathah
H3315. Yepheth
יֶ֫פֶת proper name, masculine third son of Noah, Ιαφεθ; — יֶפֶת: א ׳יַפְתְּ לְיֶפֶת Genesis 9:27( J), 7:13; 10:2 (P) = 1 Chronicles 1:4; Genesis 9:23; 10:21(J); יָפֶ֑ת 9:18 (J), 5:32; 6:10; 10:1 (P), 1 Chronicles 1:5.