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Origin and history of Protozoa

Protozoa(n.)

"primordial or first-formed animals, cell-animals," 1828, from Modern Latin Protozoa, coined 1818 by German zoologist Georg August Goldfuss (1782-1848) from Greek prōtos "first" (see proto-) + zoia, plural of zoion "animal" (from PIE root *gwei- "to live"). Originally including sponges and corals; current sense is from 1845. Related: Protozoon (singular), also Protozoön; Protozoan.

also from 1828

Entries linking to Protozoa

protozoic(adj.)

1838, in geology, in reference to rocks containing fossils of the earliest life on Earth, from proto- "early, first" + Greek zōē "life" (from PIE root *gwei- "to live") + -ic. Coined by British geologist Adam Sedgwick, who wrote in 1852, "I used the word Protozoic to prevent any wrangling about the words Cambrian and Silurian" [Quarterly Journal of the Geological Society of London].

In zoology by 1861, "of or pertaining to the Protozoa," from Protozoa + -ic. Alternative adjectives in the biological sense include Protozoan, Protozoal.

*gwei-

also *gweie-, Proto-Indo-European root meaning "to live."

It might form all or part of: abiogenesis; aerobic; amphibian; anaerobic; azo-; azoic; azotemia; bio-; biography; biology; biome; bionics; biopsy; biota; biotic; cenobite; Cenozoic; convivial; couch (n.2) "grass;" epizoic; epizoon; epizootic; macrobiotic; Mesozoic; microbe; Protozoa; protozoic; quick; quicken; quicksand; quicksilver; quiver (v.) "to tremble;" revive; survive; symbiosis; viable; viand; viper; vita; vital; vitamin; victuals; viva; vivace; vivacious; vivarium; vivid; vivify; viviparous; vivisection; whiskey; wyvern; zodiac; Zoe; zoetrope; zoic; zoo-; zoolatry; zoology; zoon; zoophilia; zoophobia; zooplankton.

It might also be the source of: Sanskrit jivah "alive, living;" Old Persian *jivaka- "alive," Middle Persian zhiwak "alive;" Greek bios "one's life, course or way of living, lifetime," zōē "animal life, organic life;" Old English cwic, cwicu "living, alive;" Latin vivus "living, alive," vita "life;" Old Church Slavonic zivo "to live;" Lithuanian gyvas "living, alive," gyvata "(eternal) life;" Old Irish bethu "life," bith "age;" Welsh byd "world."

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phylum
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sphere
a re-Latinized spelling, attested beginning mid-15c., of Middle English spere (c. 1300) "cosmos; space, conceived as a hollow globe about the world," from Anglo-French espiere, Old French espere (13c., Modern French sphère), from Latin sphaera "globe, ball, celestial sphere" (Med
harangue
"a public address; a formal, vehement, or passionate address;" also "any formal or pompous speech; a declamation; a tirade," mid-15c., arang, Scottish (in English from c. 1600), from French harangue "a public address" (14c.), from Old Italian aringo "public square, platform; pulp
king
a late Old English contraction of cyning "king, ruler" (also used as a title), from Proto-Germanic *kuningaz (source also of Dutch koning, Old Norse konungr, Danish konge, Old Saxon and Old High German kuning, Middle High German künic, German König). This is of uncertain origin.
orange
late 14c., in reference to the fruit of the orange tree (late 13c. as a surname), from Old French orange, orenge (12c., Modern French orange), from Medieval Latin pomum de orenge, from Italian arancia, originally narancia (Venetian naranza), an alteration of Arabic naranj, from P
obsess
c. 1500, "to besiege" (a sense now obsolete), from Latin obsessus, past participle of obsidere "watch closely; besiege, occupy; stay, remain, abide" literally "sit opposite to," from ob "against" (see ob-) + sedere "to sit," from PIE root *sed- (1) "to sit." Of evil spirits, "to
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compassion
"feeling of sorrow or deep tenderness for one who is suffering or experiencing misfortune," mid-14c., compassioun, literally "a suffering with another," from Old French compassion "sympathy, pity" (12c.), from Late Latin compassionem (nominative compassio) "sympathy," noun of sta
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