合口音 ごうこうおん Meanings Noun (of Chinese) pronunciation of kanji with a medial between the initial consonant and center vowel (of Japanese) the long "o" vowel arising from combination of the "o" and "u" or "e" and "u" sounds Kanji 合 fit. Read as ゴウ. 口 mouth. Read as コウ. 音 sound. Read as オン. Jinuma: Japanese Dictionary · Word lists