祖先

N2 先祖 senzo ancestor N1 先代 sendai family predecessor, previous age, previous generation N1 先だって sendatte recently, the other day N1 先着 senchaku first arrival N1 先天的 sententeki inherent, congenital, hereditary N1 勤め先 tsutomesaki place of work N1 優先 yuusen preference, priority N2 お先に osakini before, after you N2 先程 sakihodo a little while ago

N3 祖 so ancestor, pioneer, founder N5 先 sen / saki, ma.zu before, ahead, previous