Rollick is of uncertain origin, first attested in the early 19th century; perhaps a blend of romp and frolic, or of dialectal origin. Morphologically, rollick is best read as uncertain formation, yielding an English verb and noun shaped by both form history and later usage. In current English it functions as a verb and noun, with the sense "to move or behave in a carefree, boisterously merry way". English derivatives include rollicking, rollicked, and rollicker; related forms include frolic and romp. The result is an English verb and noun whose etymology preserves the older forms while supporting the word's specialized modern meaning.