behoove (v.)youdaoicibaDictYouDict[behoove 词源字典]
Old English behofian "to have need of, have use for," verbal form of the ancient compound word represented by behoof.
Historically, it rimes with move, prove, but being now mainly a literary word, it is generally made to rime with rove, grove, by those who know it only in books. [OED]
[behoove etymology, behoove origin, 英语词源]