(obsolete) The hentaigana syllable that is used to represent mo in old Japanese text.

理論: a theory

後縁: (aeronautics) trailing edge / 公園: park / 講演: lecture / 後援: auspices, patronage / 公演: public performance / 高遠: loftiness / 好演: exquisite performance / 後燕: Later Yan dynasty / 紅炎: solar prominence

higher, advanced