[1] The headword is perfect middle-passive participle of e)cikma/zw, feminine nominative singular (but feminine dative singular in the quotation given).
[2] Quotation (also in ps.-Zonaras) unidentifiable, though Adler cites Cassius Dio 75.2.1 (in Xiphilinus' epitome) on Severus in Mesopotamia: a)nu/drou th=s xw/ras ou)/shs a)/llws te dh\ kai\ to/te ple/on u(po\ tou= qe/rous e)cikmasme/nhs pamplhqei=s stratiw/tas a)pobalei=n ("as the country was waterless generally and especially more at that time when it was dried up by summer, he lost very many soldiers"). Favuzzi [see under delta 654] 224 pursues, inconclusively, the question of how far Xiphilinus has preserved Dio's ipsissima verba.