From 深 (puka-, “deep”) + 海松 (mi1ru, “Codium fragile”).
深海松 (pukami1ru) (kana ふかみる)
- a seaweed (Codium fragile) growing deep on the seafloor
- , text here
角障經石見之海乃言佐敝久辛乃埼有伊久里爾曾深海松生流荒礒爾曾玉藻者生流...- tuno1 sapapu Ipami1 no2 umi1 no2 ko2to2 sape1ku Kara no2 saki1 naru ikuri ni so2 pukami1ru opuru ariso1 ni so2 tamamo pa opuru...
- (please add an English translation of this usage example)