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bloomer [bloomer 词源字典]: bloomer: [19] Bloomers, long loose trousers worn by women, were not actually invented by someone called Bloomer – the credit for that seems to go to a Mrs Elizabeth Smith Miller of New York – but their first advocate was Amelia Jenks Bloomer (1818–94), a US feminist who strongly promoted their use in the early 1850s as a liberated garment for women. The extent to which this became a cause célèbre can be gauged by the fact that it gave rise to so-called Bloomerism, a movement for ‘rationalizing’ women’s dress; in 1882 Lady Harberton wrote in Macmillan’s Magazine ‘“Bloomerism” still lurks in many a memory’. Bloomer ‘mistake’ is late 19th-century, and apparently originally Australian.

Early commentators derived it, not altogether convincingly, from ‘blooming error’.
[bloomer etymology, bloomer origin, 英语词源]
deliberate (v.): 1540s, from Latin deliberatus, past participle of deliberare (see deliberation). Related: Deliberated; deliberating.
large (adj.): c. 1200, "bountiful, inclined to give or spend freely," also, of areas, "great in expanse," from Old French large "broad, wide; generous, bounteous," from Latin largus "abundant, copious, plentiful; bountiful, liberal in giving," of unknown origin. Main modern meanings "extensive; big in overall size" emerged 14c. An older sense of "liberated, free from restraining influence" is preserved in at large (late 14c.). Adjective phrase larger-than-life first attested 1937 (bigger than life is from 1640s).
liberate (v.): 1620s, from Latin liberatus, past participle of liberare "set free," from liber "free" (see liberal). Meaning "to free an occupied territory from the enemy" (often used ironically) is from 1942. Related: Liberated; liberating.
Manichaeism (n.): 1550s, "the religion of the Manichees" (late 14c.) a Gnostic Christian sect named for its founder, Mani (Latin Manichæus), c.215-275, Syriac-speaking apostle from a Jesus cult in Mesopotamia in 240s, who taught a universal religion. Vegetarian and visionary, they saw "particles of light and goodness" trapped in evil matter and regarded Satan as co-eternal with God. The universe was a scene of struggle between good and evil. The sect was characterized by dualism and a double-standard of perfectionist "elects" and a larger group of fellow travelers who would require several reincarnations before their particles of light would be liberated.