hoodyoudaoicibaDictYouDict[hood 词源字典]
hood: [OE] Ultimately hood and hat are the same word, and both mean etymologically ‘headcovering’. They go back to an Indo-European *kadh- ‘cover, protect’, which in the case of hood produced a West Germanic derivative *khōdaz. From it are descended German hut ‘hat’, Dutch hoed ‘hat’, and English hood. Hoodwink [16] originally meant literally ‘cover someone’s eyes with a hood or blindfold so that they could not see’; the modern figurative sense ‘deceive’ is first recorded in the 17th century.
=> hat[hood etymology, hood origin, 英语词源]
hood (n.1)youdaoicibaDictYouDict
"covering," Old English hod "hood," from Proto-Germanic *hodaz (cognates: Old Saxon, Old Frisian hod "hood," Middle Dutch hoet, Dutch hoed "hat," Old High German huot "helmet, hat," German Hut "hat," Old Frisian hode "guard, protection"), from PIE *kadh- "cover" (see hat).

Modern spelling is early 1400s to indicate a "long" vowel, which is no longer pronounced as such. Meaning "removable cover for an automobile engine" attested by 1905. Little Red Riding Hood (1729) translates Charles Perrault's Petit Chaperon Rouge ("Contes du Temps Passé" 1697).
hood (n.2)youdaoicibaDictYouDict
"gangster," 1930, American English, shortened form of hoodlum.
hood (v.)youdaoicibaDictYouDict
"to put a hood on," c. 1200, from hood (n.1). Related: Hooded; hooding.
hood (n.3)youdaoicibaDictYouDict
shortened form of neighborhood, by 1987, U.S. black slang.