adverb, taru-adjective
only; just; merely; no more than
Literary and somewhat old-fashioned adverb or taru-adjective meaning 'only' or 'merely'. Often used in written language or formal contexts. In modern speech, たった or ほんの are more common.
残された時間は僅々数分だった。
The remaining time was only a few minutes.
彼の財産は僅々たるもの
His fortune was merely a trifling amount.
Reduplication of 僅 (きん, 'only, a little'), which is a kanji used in literary Chinese. The exact historical derivation is uncertain, but the form is used in classical Japanese and modern literary writing.