SOURCE
NOUNS
► BOTTOMLESS PIT an endless source of something, usually something troublesome → 2006 US sl. (Bk.)
► END an original source, a beginning, origin → 1900 Eng. dial. (Bk.)
► HEAD-FOUNTAIN source, fountainhead, origin → 1688 obs.
► HEADSPRING the chief source of anything; the quarter whence anything originates → 1450
► RADIX the source or origin; that in which anything originates → 1607
► SOURDRE n. source → 1477 obs.
► SPRINGER a source, an origin → 1410 obs.
► SPRINGHEAD the source or origin of a particular quality, action, state of affairs Ï 1547
Lexicophilia 