бывалый

Etymology
Perhaps derived from the past tense of.

Adjective

 * 1)  worldly-wise, experienced
 * 2)  habitual, familiar
 * 1)  habitual, familiar

Usage notes
Short forms *быва́л, *быва́ла, *быва́ло, *быва́лы theoretically exist, but are usually avoided due to their similarity to past-tense forms (compare, feminine ).