profuse (adj.) Look up profuse at Dictionary.com
early 15c., "lavish, extravagant," from Latin profusus "spread out, lavish, extravagant," literally "poured forth," noun use of past participle of profundere "pour forth," from pro- "forth" (see pro-) + fundere "to pour" (see found (v.2)). Meaning "bountiful" is from c.1600. Related: Profusely; profuseness.