thick voice; husky voice; gravelly voice
Describes a voice that is deep, rough, and somewhat unclear, often with a heavy or hoarse quality. Can be used for both natural voices and temporary conditions like a cold.
My voice has become hoarse from a cold.
His gravelly voice is very attractive.
Compound of 濁 (daku, 'muddiness, impurity') and 声 (sei, 'voice'). The exact historical derivation is uncertain, but the kanji combination directly suggests a voice that is thick or unclear.