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angle [angle 词源字典]: angle: There have been two distinct words angle in English. The older is now encountered virtually only in its derivatives, angler and angling, but until the early 19th century an angle was a ‘fishing hook’ (or, by extension, ‘fishing tackle’). It entered the language in the Old English period, and was based on Germanic *angg- (source also of German angel ‘fishing tackle’).

An earlier form of the word appears to have been applied by its former inhabitants to a fishhook-shaped area of Schleswig, in the Jutland peninsula; now Angeln, they called it Angul, and so they themselves came to be referred to as Angles. They brought their words with them to England, of course, and so both the country and the language, English, now contain a reminiscence of their fishhooks. Angle in the sense of a ‘figure formed by two intersecting lines’ entered the language in the 14th century (Chaucer is its first recorded user).

It came from Latin angulus ‘corner’, either directly or via French angle. The Latin word was originally a diminutive of *angus, which is related to other words that contain the notion of ‘bending’, such as Greek ágkūra (ultimate source of English anchor) and English ankle. They all go back to Indo-European *angg- ‘bent’, and it has been speculated that the fishhook angle, with its temptingly bent shape, may derive from the same source.
=> english; anchor, ankle[angle etymology, angle origin, 英语词源]
bust: bust: There are two different words bust in English. The one meaning ‘break’ [18] is simply an alteration of burst. Bust ‘sculpture of head and chest’ [17] comes via French buste from Italian busto ‘upper body’, of uncertain origin (Latin had the temptingly similar bustum ‘monument on a tomb’, but this does not seem to fit in with the word’s primary sense ‘upper body’).

In English, application of the word to the human chest probably developed in the 18th century (one of the earliest examples is from Byron’s Don Juan 1819: ‘There was an Irish lady, to whose bust I ne’er saw justice done’), although as late as the early 19th century it could still be used with reference to men’s chests, and had not become particularized to female breasts: ‘His naked bust would have furnished a model for a statuary’, Washington Irving, A tour on the prairies 1835.
tempting (adj.): "inviting, seductive, alluring," 1590s, present participle adjective from tempt (v.). Related: Temptingly.