"piece of a barrel," 1750, back-formation from staves (late 14c.), plural of staff, with the usual change of medial -f- to -v- (compare leaves/leaf). The plural form possibly was in Old English but not recorded there.
stave (v.)
1540s, "to fit with staves," from stave (n.). The meaning "break into staves" is from 1590s (with in from 1748, chiefly nautical, on notion of bashing in the staves of a cask). Past tense stove. Stave off (1620s), however, is literally "keep off with a staff," as of one beset by wolves or dogs. Related: Staved; staving.
例文
1. He is utterly ignorant of staff [ stave ] .
彼は五線譜について全然知らない。
2.Many people switch on the television simply to stave off boredom over the Christmas break.
多くの人がテレビをつけているのは、クリスマスの休憩中の退屈な時間をつぶすためだけだ。
3.In a desperate attempt to stave off defeat,he reluctantly promised wholesale reform of the constitution.
負けず嫌いを避けるために、憲法の大規模な改正を約束した。
4.But the reality of discovery was a different matter,and he did all he could to stave it off.