Save Gender Masculine Usage Japanese Scripts 由飛, 由日, 由陽, etc.(Japanese Kanji) Pronounced Pron. YOO-KHEE [key] Meaning & History From Japanese 由 (yu) meaning "reason, cause" or 雄 (yu) meaning "male" combined with 飛 (hi) meaning "to fly", 陽 (hi) meaning "light, sun, male" or 日 (hi) meaning "sun, day". Other combinations of kanji characters are also possible.