Smith's Bible Dictionary (1863)
(bent). Bene-Hakupha were among the Nethinim who returned from Babylon with Zerubbabel. (Ezra 2:61; Nehemiah 7:63)
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
HAKU'PHA (bent), one mentioned Ezr 2:51; Neh 7:53.
Hitchcock's Bible Names (1869)
a commandment of the mouth