taru-adjective, adverb taking the 'to' particle
prudently; very carefully; with great caution
Literary or formal adverb describing cautious, deliberate action. Often used with と (to) and verbs like する, 進める, 扱う.
He handled the matter very carefully.
新しい計画を翼翼と進めている。
They are proceeding with the new plan with great caution.
very timid; faint-hearted; nervous
Standard kanji spelling for this literary adverb.
Iteration-mark variant of 翼翼; less common in modern text.
From Classical Chinese 翼翼, in which the repeated form denotes reverent, cautious attention.