-oma

word-forming element, from Greek -oma, with -o-, lengthened stem vowel + -ma, suffix forming neuter nouns and nouns that indicate result of verbal action (equivalent of Latin -men); especially taken in medical use as "morbid growth, tumor," based on sarcoma, carcinoma.

Entries linking to -oma

carcinoma (n.)

"a propagating malignant tumor," 1721, from Latin carcinoma, from Greek karkinoma "a cancer," from karkinos "a cancer," literally "a crab" (see cancer) + -oma. Related: Carcinomatous. The classical plural is carcinomata.

sarcoma (n.)

1650s, "fleshy excrescence," Medical Latin, from Latinized form of Greek sarkoma "fleshy substance" (Galen), from sarkoun "to produce flesh, grow fleshy," from sarx (genitive sarkos) "flesh" (see sarcasm) + -oma. Meaning "harmful tumor of the connective tissue," more or less malignant, is from 1804 (Abernethy). Related: Sarcomatous.

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atheroma

"encysted tumor," 1706, medical Latin, from Greek atheroma, from athērē "groats, porridge," in reference to the matter inside; a word of unknown origin. It is sometimes said to be perhaps related to athēr "chaff," but Beekes finds this "neither formally nor semantically plausible

diploma

1640s, "state paper, official document," from Latin diploma (plural diplomata) "a state letter of recommendation," given to persons travelling to the provinces, "a document drawn up by a magistrate," from Greek diploma "licence, chart," originally "paper folded double," from dipl

diplomatic

1711, "pertaining to official or original documents, texts, or charters," from Modernl Latin diplomaticus (1680s), from diplomat-, stem of Latin diploma "a state letter of recommendation," given to persons travelling to the provinces, "a document drawn up by a magistrate," from G

ginger

11c., from Old English ginȝifer, ginȝiber, from Late Latin gingiber, from Latin zingiberi, from Greek zingiberis, from Prakrit (Middle Indic) singabera, from Sanskrit srngaveram, from srngam "horn" + vera- "body," so called from the shape of its root. But this may be Sanskrit fol

Mississippi

originally the name of the river, from the French rendering of an Algonquian name (French missionaries first penetrated the river valley in its upper reaches) meaning "big river;" compare Ojibwa mshi- "big," ziibi "river." Organized as a U.S. territory 1798; admitted as a state 1

demise

mid-15c., "transference of property, grant of land for life or a period of years," via Anglo-French from Old French demis, fem. past participle of desmetre "dismiss, put away" (Modern French démettre), from des- "away" (from Latin dis-) + metre "put," from Latin mittere "let go,

poverty

late 12c., poverte, "destitution, want, need or insufficiency of money or goods," from Old French poverte, povrete "poverty, misery, wretched condition" (Modern French pauvreté), from Latin paupertatem (nominative paupertas) "poverty," from pauper "poor" (see poor (adj.)). From e

soda

late 15c., sode, "sodium carbonate, an alkaline substance extracted from certain ashes" (now made artificially), from Italian sida (or Medieval Latin soda), in reference to a kind of saltwort from which soda was obtained, a word of uncertain origin. Perhaps it is from a Catalan s

heuristic

"serving to discover or find out," 1821, irregular formation from Greek heuriskein "to find; find out, discover; devise, invent; get, gain, procure" (from PIE *were- (2) "to find;" cognate with Old Irish fuar "I have found") + -istic. As a noun, from 1860. Greek had heuretikos "i

resign

late 14c., "give up (something), surrender, abandon, submit; relinquish (an office, position, right, claim)," from Old French resigner "renounce, relinquish" (13c.), from Latin resignare "to check off, annul, cancel, give back, give up," from re-, here perhaps denoting "opposite"

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updated on August 24, 2019

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