The Japanese surnames etymology dictionary.
② things . From rice and her favorite "Ei". From Yonaga Gate of the gate division system that was in the Edo period. An example of the location of the gate. Kagoshima-ken Isa-shi Ryugu Oshitari, Kagoshima-ken Kagoshima-shi Higashimata-cho, Kagoshima-ken Aira-shi Gamo-machi Yone Maru.