adverb taking the と particle, adverb

Onomatopoeic or mimetic word.
  1. unflaggingly, steadily, untiringly, laboriously.
  2. knocking, tapping, clicking, drumming.

Variations

Pronunciation Kanji Kana Is Common
 
 
 
 
コツコツ
 
 
 
 
こつこつ