probably connected with the Hebrew word nesher , an eagle. An Assyrian god, supposed to be that represented with the head of an eagle. Sennacherib was killed in the temple of this idol ( 2 Kings 19:37 ; Isaiah 37:38 ).

These dictionary topics are from
M.G. Easton M.A., D.D., Illustrated Bible Dictionary, Third Edition,
published by Thomas Nelson, 1897. Public Domain, copy freely.