adverb taking the 'to' particle, taru-adjective
untied; undone; loosened
Archaic literary word describing something that has come untied or undone, often used with 〜たる or 〜と in classical-style writing.
古典では「渙然として解く」のように用いられることがある。
In classical texts, it is sometimes used as in 'to come untied and loosen'.