Paul Derouda wrote:ἄρσενας (nom. sing. ἄρσην)
I'm really confused now. I went back to my old grammar to review the rules for accentuation, and according to a statement on the place of accent for nouns, "When the nominative singular has the accent on the penult or the ultima, it stays there." Not so in the quote above.
Does there exist such a thing as a concise, reliable guide to accentuation (and also to the determination of the vowel length of alpha, iota, and upsilon)? Or does one have to pick through Smyth each time to be sure?