concrete (adj.)youdaoicibaDictYouDict[concrete 词源字典]
late 14c., "actual, solid," from Latin concretus "condensed, hardened, thick, hard, stiff, curdled, congealed, clotted," figuratively "thick; dim," literally "grown together;" past participle of concrescere "to grow together," from com- "together" (see com-) + crescere "to grow" (see crescent). A logicians' term until meaning began to expand 1600s. Noun sense of "building material made from cement, etc." is first recorded 1834.[concrete etymology, concrete origin, 英语词源]
congeal (v.)youdaoicibaDictYouDict
late 14c., from Old French congeler (14c.) "to freeze, thicken," from Latin congelare "to cause to freeze, to freeze together," from com- "together" (see com-) + gelare "to freeze," from gelu "frost, ice" (see cold (adj.)). Related: Congealed; congealing.
frozen (adj.)youdaoicibaDictYouDict
mid-14c., "congealed by cold; turned to or covered with ice," past participle adjective from freeze (v.). Figurative use is from 1570s. Of assets, bank accounts, etc., from 1922.
parenchyma (n.)youdaoicibaDictYouDict
1650s, Modern Latin, from Greek parenkhyma "something poured in beside," from para- "beside" (see para- (1)) + enkhyma "infusion," from en- "in" + khein "to pour" (see found (v.2)). In ancient physiology, the stuff that was supposed to make up the liver, lungs, etc., which was believed to be formed from blood strained through the capillaries and congealed.
pectin (n.)youdaoicibaDictYouDict
polysaccharide found in fruit and vegetables, crucial in forming jellies and jams, 1838, from French pectine, coined early 1830s by French chemist Henri Braconnot (1781-1855) from acide pectique "pectic acid," a constituent of fruit jellies, from Greek pektikos "curdling, congealing," from pektos "curdled, congealed," from pegnynai "to make stiff or solid," from PIE root *pag-/*pak- "to join together" (see pact). Related: Pectic.
pemmican (n.)youdaoicibaDictYouDict
1791, from Cree (Algonquian) /pimihka:n/ from /pimihke:w/ "he makes grease," from pimiy "grease, fat." Lean meat, dried, pounded and mixed with congealed fat and ground berries and formed into cakes used on long journeys. Also used figuratively for "extremely condensed thought or matter."