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chase [chase 词源字典]: chase: There are two distinct words chase in English, although they may come from the same ultimate source. The commoner, and older, ‘pursue’ [13], comes via Old French chacier from Vulgar Latin *captiāre (which also produced Anglo-Norman cachier, source of English catch). This was an alteration of Latin captāre ‘try to seize’, which was formed from captus, the past participle of capere ‘take’ (source of a wide range of English words, including capture, capable, and cater, and distantly related to heave).

The other, ‘engrave’ [14], may come from Old French chas ‘enclosure’, which in turn came from Latin capsa ‘box’ (source of English case and related ultimately to Latin capere). The semantic connection would seem to be between putting a jewel in its setting, or ‘enclosure’, and decorating jewellery or precious metal by other means such as engraving or embossing.
=> capable, capture, case, catch, cater, heave, purchase[chase etymology, chase origin, 英语词源]
boss (v.): 1856, from boss (n.1). Related: Bossed; bossing.
emboss (v.): "to ornament with raised work," late 14c., from Old French *embocer (compare embocieure "boss, stud, buckle"), from assimilated form of en- "in, into" (see en- (1)) + boce "knoblike mass" (see boss (n.2)). Related: Embossed; embossing.
pounce (n.): "claw of a bird of prey," late 15c., pownse, probably from Old French ponchon "lance, javelin; spine, quill" (Modern French poinçon; see punch (v.)). So called for being the "claws that punch" holes in things. In falconry, the heel claw is a talon, and others are pounces. Meaning "an act of jumping or falling upon" is from 1825. In Middle English also the name of a tool for punching holes or embossing metal (late 14c.).
punch (n.1): "pointed tool for making holes or embossing," late 14c., short for puncheon (mid-14c.), from Old French ponchon, poinchon "pointed tool, piercing weapon," from Vulgar Latin *punctionem (nominative *punctio) "pointed tool," from past participle stem of Latin pungere "to prick" (see pungent). From mid-15c. as "a stab, thrust;" late 15c. as "a dagger." Meaning "machine for pressing or stamping a die" is from 1620s.