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Origin and history of efflorescence

efflorescence(n.)

1620s, "a bursting into flower, act of blossoming out," from French efflorescence, from Latin efflorescentem (nominative efflorescens), present participle of efflorescere "to bloom, flourish, blossom," from assimilated form of ex "out" (see ex-) + florescere "to blossom," from flos "flower" (from PIE root *bhel- (3) "to thrive, bloom"). Sense in chemistry is from 1660s.

also from 1620s

Entries linking to efflorescence

*bhel-(3)

Proto-Indo-European root meaning "to thrive, bloom," possibly a variant of PIE root *bhel- (2) "to blow, swell."

It might form all or part of: blade; bleed; bless; blood; blow (v.2) "to bloom, blossom;" bloom (n.1) "blossom of a plant;" bloom (n.2) "rough mass of wrought iron;" blossom; cauliflower; chervil; cinquefoil; deflower; defoliation; effloresce; exfoliate; feuilleton; flora; floral; floret; florid; florin; florist; flour; flourish; flower; foil (n.) "very thin sheet of metal;" foliage; folio; folium; gillyflower; Phyllis; phyllo-; portfolio; trefoil.

It might also be the source of: Greek phyllon "leaf;" Latin flos "flower," folio, folium "leaf;" Middle Irish blath, Welsh blawd "blossom, flower;" Gaelic bile "leaflet, blossom;" Old English blowan "to flower, bloom."

ex-

word-forming element, in English meaning usually "out of, from," but also "upwards, completely, deprive of, without," and "former;" from Latin ex "out of, out from the interior of a thing" (in opposition to in), "from within; from which time, since; according to; in regard to." This is reconstructed to be from PIE *eghs "out" (source also of Gaulish ex-, Old Irish ess-, Old Church Slavonic izu, Russian iz). In some cases also from Greek cognate ex, ek.

Often reduced to e- before -b-, -d-, -g-, consonantal -i-, -l-, -m-, -n-, -v- (as in elude, emerge, evaporate, etc.).

The sense in Latin naturally tended toward "thoroughly, utterly," and in some English ex- words with no clear connection to the idea of "out of," the element might be purely intensive. Among them are exhort, exhilarate, evident, excruciate, exclaim, exuberant, exaggerate, expiate, expect.

For use of Latin ex- as "(rise) up out of," as preserved in English emerge, emend, the notion is "out from the interior of a thing," in opposition to in-. Hence also in Latin, "in an upward direction," as in effervesce, exult, extol.

PIE *eghs had comparative form *eks-tero and superlative *eks-t(e)r-emo-.

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    inflorescence
    1760, "arrangement of flowers on a stem in relation to one another," from Modern Latin inflorescentia, from Late Latin inflorescentem (nominative inflorescens) "flowering," present participle of Latin inflorescere "to come to flower," from in- "in" (from PIE root *en "in") + flor
    flower
    c. 1200, flour, also flur, flor, floer, floyer, flowre, "the blossom of a plant; a flowering plant," from Old French flor "flower, blossom; heyday, prime; fine flour; elite; innocence, virginity" (12c., Modern French fleur), from Latin florem (nominative flos) "flower" (source of
    prime
    late 14c., "first, original, first in order of time," from Old French prime and directly from Latin primus "first, the first, first part," figuratively "chief, principal; excellent, distinguished, noble" (source also of Italian and Spanish primo), from Proto-Italic *prismos, supe
    maturation
    early 15c., maturacioun, "the coming to a head of a boil, etc.; a state of producing pus," from Latin mātūrationem (nominative mātūratio) "a hastening, accelerating," noun of action from past-participle stem of mātūrare "to ripen, grow ripe; make ripe; to quicken" (see mature (v.
    bloom
    "blossom of a plant," c. 1200, a northern word, from a Scandinavian source akin to Old Norse blomi "flower, blossom," also collectively "flowers and foliage on trees;" from Proto-Germanic *blomon (source also of Old Saxon blomo, Middle Dutch bloeme, Dutch bloem, Old High German b
    development
    1756, "a gradual unfolding, a full working out or disclosure of the details of something;" see develop + -ment. Meaning "the internal process of expanding and growing" is by 1796; sense of "advancement through progressive stages" is by 1836.  Of property, with a sense of "a
    shive
    early 13c., "slice of bread; thin piece cut off," a word of uncertain origin, perhaps from an unrecorded Old English *scifa, cognate with Old Saxon sciva, Middle Dutch schive, Dutch schijf, Old High German sciba, German Scheibe. OED lists the senses in the modern Germanic languag
    heyday
    also hey-day, late 16c. as an exclamation, an alteration of heyda (1520s), an exclamation of playfulness, cheerfulness, or surprise something like Modern English hurrah; apparently it is an extended form of the Middle English interjection hey or hei (see hey). Compare Dutch heida
    rash
    late 14c., "nimble, quick, vigorous" (early 14c. as a surname), a Scottish and northern word, perhaps from a survival of Old English -ræsc (as in ligræsc "flash of lightning") or one of its Germanic cognates, from Proto-Germanic *raskuz (source also of Middle Low German rasch, Mi
    peak
    1520s, "pointed top, projecting summit," a variant of pike (n.4) "sharp point." Meaning "top of a mountain, a precipitous mountain with a more or less conical summit" is recorded by 1630s, though pike was used in this sense c. 1400. Figurative sense is 1784. Of beards, 1590s; of

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