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straw [straw 词源字典]: straw: [OE] Straw is etymologically something ‘strewn’ on the floor. The word goes back to a prehistoric Germanic *strāwam (source also of German stroh, Dutch stroo, Swedish strå, and Danish straa). This was formed from the same base as produced strew [OE], and goes back ultimately to Indo-European *ster- ‘spread’, source also of Latin sternere ‘spread out’ (from which English gets prostrate, strata, etc). Dried grain stalks were commonly scattered over floors as an ancient form of temporary carpeting, and so they came to be termed straw.
=> strata, strew[straw etymology, straw origin, 英语词源]
area (n.): 1530s, "vacant piece of ground," from Latin area "level ground, open space," used of building sites, playgrounds, threshing floors, etc.; which is of uncertain origin. Perhaps related to arere "to become dry," on notion of a burned clearing or dry, bare space. The generic sense of "amount of surface (whether open or not) contained within any set of limits" is from 1845. Area code in North American telephone systems is attested from 1959.
rush (n.1): "plant growing in marshy ground," Old English resc, earlier risc, from Proto-Germanic *rusk- (cognates: Middle Low German rusch, Middle High German rusch, German Rausch, West Frisian risk, Dutch rusch), from PIE *rezg- "to plait, weave, wind" (cognates: Latin restis "cord, rope").

Old French rusche probably is from a Germanic source. Used for making torches and finger rings, also strewn on floors when visitors arrived; it was attested a type of "something of no value" from c. 1300. See OED for spelling variations.
scuttle (v.1): "scamper, scurry," mid-15c., probably related to scud (v.). Related: Scuttled; scuttling.
I should have been a pair of ragged claws
Scuttling across the floors of silent seas.
[T.S. Eliot, "The Love Song of J. Alfred Prufrock"]
storied (adj.2): "having stories or floors" of a certain type or number, 1620s, from story (n.2).
opus sectile: "A form of Roman floor decoration similar to mosaic but composed of pieces shaped individually to fit the design, rather than regularly shaped tesserae", Mid 19th cent. From classical Latin opus work + sectile, neuter of sectilis produced by cutting, used by Vitruvius of Roman floors.