world of good, a

A great benefit, as in A vacation will do you a world of good. This expression uses world in the sense of "a great deal," a usage dating from the 1400s. [Late 1800s]

Common Names:

Name	Pronounced	Usage
Ciriaco	chee-ree-AH-ko (Italian), thee-ree-AH-ko (Spanish), see-ree-AH-ko (Latin American Spanish)	Italian, Spanish
Collyn	kah-LEEN	English (Rare)
Zachariah	zak-ə-RIE-ə (English)	English, Biblical
Shari	SHER-ee, SHAR-ee	English
Doreen	['dɔ:ri:n]
Modestas	-	Lithuanian