taru-adjective, adverb taking the 'to' particle
Literary, often used in the adverbial form 燦然と to describe something shining brilliantly or standing out gloriously.
The stars shone brilliantly in the night sky.
His achievements are brilliantly etched in history.
Standard kanji spelling for this literary adjective/adverb.
Search-only mixed kana-kanji form; not a standard spelling.
Rarely used kanji form; 燦然 is preferred.
From Chinese 燦然 (càn rán), meaning 'bright' or 'resplendent'. The kanji 燦 means 'brilliant' and 然 is a suffix forming adjectives/adverbs.