watershed (n.)

"line separating waters flowing into different rivers," 1803, from water (n.1) + shed in a topographical sense of "ridge of high ground between two valleys or lower ground, a divide," for which see shed (n.2). Perhaps a loan-translation of German Wasser-scheide. Figurative sense is attested from 1878. Meaning "ground of a river system" is from 1878.

also from 1803

Entries linking to watershed

shed (n.2)

c. 1300, shede, "the parting of the hair made by combing," from Old English scead, sceada "separation of one thing from another," from the source of shed (v.). As "ridge of high ground dividing two valleys," 1876, probably shortened from watershed (q.v.).

water (n.1)

Old English wæter, from Proto-Germanic *watr- (source also of Old Saxon watar, Old Frisian wetir, Dutch water, Old High German wazzar, German Wasser, Old Norse vatn, Gothic wato "water"), from PIE *wod-or, suffixed form of root *wed- (1) "water; wet."

To keep (one's) head above water in the figurative sense is recorded from 1742. Water cooler is recorded from 1846; water polo from 1884; water torture from 1928. Linguists believe PIE had two root words for water: *ap- and *wed-. The first (preserved in Sanskrit apah as well as Punjab and julep) was "animate," referring to water as a living force; the latter referred to it as an inanimate substance. The same probably was true of fire (n.).

Water-tower is attested from c. 1300 (water-tour).

Trends of watershed

adapted from books.google.com/ngrams/. Ngrams are probably unreliable.

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basin

"large shallow vessel or dish used chiefly to hold water or other liquid," c. 1200, from Old French bacin (11c., Modern French bassin), from Vulgar Latin *baccinum (source also of Spanish bacin, Italian bacino), from *bacca "water vessel," perhaps originally Gaulish (but OED dism

divide

early 14c., "separate into parts or pieces," from Latin dividere "to force apart, cleave, distribute," from assimilated form of dis- "apart" (see dis-) + -videre "to separate," which, according to de Vaan, is from PIE *(d)uid- "to separate, distinguish" (source also of Sanskrit a

landmark

Old English landmearc "object set up to mark the boundaries of a kingdom, estate, etc.," from land (n.) + mearc in its sense "object which marks a boundary or limit" (see mark (n.1)). General sense of "conspicuous object which, by its known position, serves as a guide to a travel

occasion

late 14c., occasioun, "opportunity; grounds for action or feeling; state of affairs that makes something else possible; a happening, occurrence leading to some result," from Old French ochaison, ocasion "cause, reason, excuse, pretext; opportunity" (13c.) or directly from Latin o

line

a Middle English merger of Old English line "cable, rope; series, row, row of letters; rule, direction," and Old French ligne "guideline, cord, string; lineage, descent" (12c.), both from Latin linea "linen thread, string, plumb-line," also "a mark, bound, limit, goal; line of de

river

early 13c. (late 12c. in surnames), "a considerable body of water flowing with perceptible current in a definite course or channel," from Anglo-French rivere, Old French riviere "river, riverside, river bank" (12c.), from Vulgar Latin *riparia "riverbank, seashore, river" (source

area

1530s, "vacant piece of ground," from Latin area "level ground, open space," used of building sites, playgrounds, threshing floors, etc.; which is of uncertain origin. Perhaps an irregular derivation from arere "to become dry" (see arid), on notion of "bare space cleared by burni

area

point

c. 1200, pointe, "minute amount, single item in a whole; sharp end of a sword, etc.," a merger of two words, both ultimately from Latin pungere "to prick, pierce," from a nasalized form of PIE root *peuk- "to prick." The Latin neuter past participle punctum was used as a noun, me

prodigal

c. 1500, of persons, "given to extravagant expenditure, lavish, wasteful," a back-formation from prodigality, or else from French prodigal and directly from Late Latin prodigalis, from Latin prodigus "wasteful," from prodigere "drive away, waste," from pro "forth" (from PIE root

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updated on August 15, 2022

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