Same or similar entry in other lexica. According to ps.-Herodian and Hesychius, this is a variant of a)nw/gewn.
cf. already alpha 1819, and again alpha 2582.
[1] Xenophon, Anabasis 5.4.29 (web address 1); Antiphanes fr. 312 Kock, now 302 K.-A.
David Whitehead (modified translation; added note and keyword; cosmetics) on 16 January 2001@11:33:22. David Whitehead (added note and keywords) on 13 August 2002@08:37:16. David Whitehead (tweak) on 21 March 2008@05:27:03. David Whitehead (expanded notes; cosmetics) on 15 March 2012@09:30:24. Catharine Roth (upgraded link) on 14 August 2013@01:11:01. Catharine Roth (expanded note) on 14 August 2013@01:14:17. David Whitehead on 22 December 2014@05:16:57. David Whitehead on 19 July 2015@06:51:26.