noun which may take the genitive case particle 'no'
transient; ephemeral; fleeting
A yojijukugo expressing the Buddhist-inspired idea that life and worldly things are as insubstantial as bubbles and dreams. Used in literary or reflective contexts.
人生は泡沫夢幻のようなものだ。
Life is like a fleeting dream.
A yojijukugo combining 泡沫 (bubbles/foam) and 夢幻 (dreams/illusions), reflecting the Buddhist concept of impermanence. The exact historical origin is uncertain, but it is used in classical and literary Japanese.