frequent

Concise Oxford English Dictionary © 2008 Oxford University Press:
frequent

▶adjective /ˈfriːkw(ə)nt/ 

• 1 occurring or done many times at short intervals.

• 2 habitual.

▶verb /frɪˈkwɛnt/ visit (a place) often or habitually.

– derivatives
frequentation noun,
frequenter noun,
frequently adverb.

– origin ME (in the sense ‘profuse’): from Fr., or from L. frequens, frequent- ‘crowded, frequent’.