Boyd’s Bible Dictionary:
(uncultivated hill). A place in Babylonia whence captive Jews returned (Ezra 2:59; Neh. 7:61).
Concise Bible Dictionary:
Place from whence Jews returned from exile (Ezra 2:59; Neh. 7:61). Gesenius renders the name “Hill of the Wood.” Not identified.
Jackson’s Dictionary of Scripture Proper Names:
heap of artifice: heap of the artificer