[1] An anonymous commentary on Aristotle's Rhetoric cites this form as occurring at 1411b35 (a quotation of Homer, Iliad 15.542), and the form is also glossed in Photius (Lexicon mu32 Theodoridis), the Lexica Segueriana, the Etymologicum Magnum and the Etymologicum Gudianum. The epic form is spelled in literature (including in Aristotle) only as maimw/wsa, referring to Homer loc.cit. (and 5.661); the commentary suggests maimo/wsa was a textual variant.
[2] Photius (above) has only "being possessed"; the full definition occurs in the Etymologicum Magnum and Etymologicum Gudianum, but with the iota considered redundant, and the form derived from *mamo/wsa. The Suda's derivation comes from the etymology offered in the scholia to Sophocles, Ajax 50: "thirsting and desiring for blood", "with a redundant m", and "from ai(=ma 'blood', ai(mw=sa 'bloodying', and with a redundant m maimw=sa".
[3] Another scholion on Ajax records diyw=san as a variant.
[4] Sophocles, Ajax 50.
[5] Greek Anthology 6.268.4 (Mnasalces), the dedication of a statue to Artemis, already at epsilon 107; cf. Gow and Page (vol. I, 140); (vol. II, 401-402); and further excerpts at epsiloniota 162, epsiloniota 233, and upsilon 302. Both the participle e)gkone/ousa and the apparently adverbial adjective deino/n ("fearfully", "dreadfully", "awesomely") here are problematic; see epsilon 107 note and Gow and Page (vol. II, 402).