Proto-Hellenic*həřřéyō取る、つかむto take, seizeこの語源をもつ英単語apheresis代謝交換・語頭音脱落diaeresis分音記号dieresis分音符heresy異端heretic異端者heretical異端のplasmapheresis血漿交換synaeresis共結合syneresis収縮