忘ぼう我が

noun, noun which may take the genitive case particle 'no'

trance; ecstasy; self-oblivion

A state of being so absorbed in something that one loses awareness of oneself; often used in literary or psychological contexts.

• 彼かれは音おん楽がくに忘ぼう我がの境きょう地ちで聴きき入いっていた。