taru-adjective, adverb taking the 'to' particle
Rare literary term used in classical or formal writing to describe something clearly evident, bright, or manifest. Often appears in the adverbial form 昭昭として.
His achievements are a clear and undeniable fact.
The truth is plainly evident before our eyes.
Variant using the repetition mark; same reading and meaning as 昭昭.
Reduplication of 昭 (しょう, 'bright, clear'), emphasizing clarity or obviousness. The exact historical derivation is uncertain; the spelling is conventionally associated with these meanings.