adverb, adverb taking the 'to' particle
staringly; fixedly; unblinkingly
Describes staring intently at something, often with surprise, curiosity, or scrutiny. Commonly used with 見る or 眺める.
See also: まじまじと見る
彼は私の顔をまじまじと見つめた。
He stared fixedly at my face.
初めて見る動物をまじまじと眺めた。
I stared unblinkingly at the animal I was seeing for the first time.
Mimetic word; the exact origin is uncertain, but it likely derives from the reduplication of a sound-symbolic root related to staring or being wide-eyed.