英语词源字典 - 在线词源网站

bedspread (n.)[bedspread 词源字典]: also bed-spread, 1845, American English, from bed (n.) + spread (n.).[bedspread etymology, bedspread origin, 英语词源]
feldspar (n.): type of mineral common in crystalline rocks, 1785, earlier feldspath (1757), from older German Feldspath (Modern German Feldspat), from Feld "field" (see field (n.)) + spath "spar, non-metallic mineral, gypsum" (see spar (n.2)); spelling influenced by English spar "mineral." Related: Feldspathic.
godspeed (interj.): also God speed, by late 14c., "(I wish that) God (may) grant you success," from God + speed (v.) in its old sense of "prosper, grow rich, succeed." Specifically as a salutation by mid-15c. Also in Middle English as an adverb, "quickly, speedily" (early 14c.); the then-identically spelled God and good seem to be mixed up in this word. From late 13c. as a surname. He may bidde god me spede is found in a text from c. 1300.
loudspeaker (n.): also loud-speaker, 1884, from loud (adj.) + speaker.
sandspit (n.): 1854, from sand (n.) + spit (n.).