Comments:There may be more than one root here. Jpn. has, besides *i(n)sar-, a synonymous *asar- 'to fish'. One of the two Jpn. words may be alternatively compared either with TM *ŋisū- 'to bring the killed animals from the hunt' or TM *ŋusu 'fishing-rod', with a provisional reconstruction of PA *ŋisV or *ŋusV.