曾遊[souyuu] former visit
曾て[katte] once
曾祖父[sousofu] great-grandfather
曾祖母[sousobo] great-grandmother
未曾有[mizou] unprecedented

曾孫[himago] great-grandchild
木曾川[kisogawa] river in Gifu Prefecture
伊曾保物語[isohomonogatari] Aesop's Fables (published initially by the Jesuits in 1593)
未だ曾て[imadakatsute] not until now (with neg. verb)