ちょくちょく
ちょくちょく · chokuchoku · JLPT N1 · adverb
often
Sounds like 'chock-chock' tapping: a small tap, a pause, another tap, again and again.
Reduplicated 'choku' (quick, direct), so it means repeated short occurrences. Use it for habits that recur often or visits that happen now and then.