adverb taking the と particle, 'taru' adjective

  1. torrentially, swiftly flowing (water, esp. river), voluminously flowing.
  2. (speak) eloquently, fluently, spout forth (a torrent of speech).
  3. flood of the times (moving strongly in one direction), current of the times.

Variations

Pronunciation Kanji Kana Is Common
滔々 とうとう
滔滔 とうとう
濤々 とうとう
濤濤 とうとう

Contained Kanji Breakdown

overflowing
トウ はびこ.る (Kentei 1)
water, water radical (no. 85)
さんずい
dip, ladle
ヨウ く.む
repeated kanji symbol