英语词源字典 - 在线词源网站

balloon (v.)[balloon 词源字典]: "to go up in a balloon," 1792; "to swell, puff up," 1841, from balloon (n.). Related: Ballooned; ballooning.[balloon etymology, balloon origin, 英语词源]
flight (n.1): "act of flying," Old English flyht "a flying, act or power of flying," from Proto-Germanic *flukhtiz (cognates: Dutch vlucht "flight of birds," Old Norse flugr, Old High German flug, German Flug "flight"), from Proto-Germanic *flug-ti-, from PIE *pluk-, from root *pleu- "to flow" (see fly (v.1)).

Spelling altered late 14c. from Middle English fliht (see fight (v.)). Sense of "swift motion" is from mid-13c.. Meaning "an instance of flight" is 1785, originally of ballooning. Sense of "a number of things passing through the air together" is from mid-13c. Meaning "series of stairs between landings" is from 1703. Figuratively, "an excursion" of fancy, imagination, etc., from 1660s. Flight-path is from 1908; flight-test (v.) from 1919; flight-simulator from 1947 (originally in rocketry); flight-attendant from 1946.
rip (v.): "tear apart," c. 1400, probably of North Sea Germanic origin (compare Flemish rippen "strip off roughly," Frisian rippe "to tear, rip") or else from a Scandinavian source (compare Swedish reppa, Danish rippe "to tear, rip"). In either case, from Proto-Germanic *rupjan-, from PIE root *reup-, *reub- "to snatch." Meaning "to slash open" is from 1570s. Related: Ripped; ripping.
In garments we rip along the line at which they were sewed; we tear the texture of the cloth. ... Rend implies great force or violence. [Century Dictionary]
Meaning "to move with slashing force" (1798) is the sense in let her rip, American English colloquial phrase attested from 1853. The noun is attested from 1711. The parachutist's rip cord (1911) originally was a device in ballooning to open a panel and release air.