ohayo

Originally a compound of 御 (o-, honorific prefix) +‎ 早く (hayaku, “early”, adverb), from adjective 早い (hayai, “early”). joker39 [1] [2] [3] Modern Japanese -i adjectives formerly ended in -ki for the attributive form This medial /k/ dropped out during the Muromachi period, both for the attributive form ( -ki becoming -i) and for the