taru-adjective, adverb taking the 'to' particle
Literary taru-adjective and adverb describing a landscape or scene as bleak, empty, and ruined. Often used with たる or と.
荒漠たる荒野が目の前に広がっていた。
A desolate wilderness stretched out before my eyes.
戦場は荒漠として人影もなかった。
The battlefield was desolate, with no sign of people.