[1] That is, with an acute accent on the penultimate; cf. beta 293, beta 294, beta 295. A commentary on Dionysius Thrax reports four meanings: wealth, being alive, one's habit of life, and the time necessary for learning. Scholia on Euripides and Aristophanes give the number as five and six respectively.
[2] (Same spelling but accented on the final syllable.) For this term, defined thus, see also other lexica, including Apollonius' Homeric Lexicon, and Homer, Iliad 4.125 with scholion.