noun-modifying (irregular)
wet with dew; dewy
Prenominal phrase describing something covered or moistened by dew, often used poetically or in literary descriptions.
In the morning, I walked on the grass wet with dew.
The dew-covered petals are beautiful.
Phrase composed of 露 (dew) + に (adverbial particle) + 濡れた (past form of 濡れる, to get wet). The exact historical origin as a fixed expression is uncertain, but it follows a common classical pattern for descriptive prenominal phrases.