[1] Likewise in the derivative entry in ps.-Zonaras. The headword, nominative singular of this feminine noun (as again epsilon 2746), might be generated by the genitive singular in the quotation given, but if it has been extracted from somewhere in this form the prime candidate is Polybius 4.77.3, e)pi/fasis basilikh\ kai\ du/namis.
[2] Quotation unidentifiable. Adler suggested Aelian -- but perhaps, rather, from Polybius, who uses forms of the headword far more frequently than any other surviving author: see e.g. epsilon 2746.