英语词源字典 - 在线词源网站

comfort (n.): c. 1200, "feeling of relief" (as still in to take comfort in something); also "source of alleviation or relief;" from Old French confort (see comfort (v.)). Replaced Old English frofor. Comforts (as opposed to necessities and luxuries) is from 1650s.
finding (n.): c. 1300, "act of discovering" (by chance or after searching; also an instance of this); verbal noun from find (v.). From c. 1400 as "what the mind discovers; knowledge attained by human effort" (as distinct from revelation or authority). Late 14c. as "act of sustaining, supporting, or providing the necessities of life; that which is provided by way of sustenance and support." Legal sense "proceedings leading to a verdict in an inquisition, etc.," is from mid-15c. Old English finding meant "invention." Related: Findings.
luxury (n.): c. 1300, "sexual intercourse;" mid-14c., "lasciviousness, sinful self-indulgence," from Old French luxurie "debauchery, dissoluteness, lust" (Modern French luxure), from Latin luxuria "excess, luxury, extravagance, profusion; delicacy" (source also of Spanish lujuria, Italian lussuria), from luxus "excess, extravagance, magnificence," probably a figurative use of luxus (adj.) "dislocated," which is related to luctari "wrestle, strain" (see reluctance).

Meaning "sensual pleasure" is late 14c. Lost its pejorative taint 17c. Meaning "habit of indulgence in what is choice or costly" is from 1630s; that of "sumptuous surroundings" is from 1704; that of "something enjoyable or comfortable beyond life's necessities" is from 1780. Used as an adjective from 1916.
maintenance (n.): mid-14c., "bearing, deportment," from Old French maintenance "upkeep; shelter, protection,: from maintenir (see maintain). Meaning "action of upholding or keeping in being" is from early 15c. "Action of providing a person with the necessities of life" is from late 14c.
necessary (n.): mid-14c., "needed, required, or useful things; the necessities of life; actions determined by right or law," perhaps from Old French necessaire (n.) "private parts, genitalia; lavatory," and directly from Latin necessarius (n.), in classical Latin "a relation, relative, kinsman; friend, client, patron;" see necessary (adj.).
necessity (n.): late 14c., "constraining power of circumstances," from Old French necessité "need, necessity; privation, poverty; distress, torment; obligation, duty" (12c.), from Latin necessitatem (nominative necessitas) "compulsion, need for attention, unavoidableness, destiny," from necesse (see necessary). Meaning "condition of being in need" in English is from late 15c.
Necessity is the Mother of Invention. [Richard Franck, c. 1624-1708, English author and angler, "Northern Memoirs," 1658]
To maken vertu of necessite is in Chaucer. Related: Necessities.
necessitous: "(Of a person) lacking the necessities of life; needy", Early 17th century: from French nécessiteux, or from necessity + -ous.
alimentation: "The provision of nourishment or other necessities of life", Late 16th century (in the sense 'maintenance, support'): from medieval Latin alimentatio(n-), from late Latin alimentare 'to feed', from alimentum 'nourishment' (see aliment).