Constantly flowing, a month so named before the captivity, because the autumnal rains them begin to fill the dry river channels. It was afterwards called Tishri, and answers nearly to our October. On this month Solomon’s temple was dedicated, 1 Kings 8:2.
These dictionary topics are from American Tract Society Bible Dictionary published in 1859. Public Domain, copy freely.
Rand, W. W. "Entry for 'ETHANIM'". "American Tract Society Bible Dictionary".