also: せきとした
noun-modifying (irregular)
Describes a scene or atmosphere that is deeply quiet and still, often with a slightly literary or formal tone. Used prenominally (before a noun).
I walked through the still, hushed forest.
The temple at night was wrapped in a hushed atmosphere.
Rare reading; じゃくとした is the usual reading.
From the kanji 寂 (stillness, loneliness) combined with the classical copula と and the past/perfective form した of する, forming a fixed prenominal expression.