And (feminine) avvereth {av-veh'-reth}; from ivver; blindness -- blind(-ness).
see HEBREW ivver
H5788. ivvarown
עִוָּרוֺן noun [masculine] blindness; — only in phrase (subject ׳י), smite (הִכָּה) with blindness: figurative of 'blind incapacity' (Dr) ׳בְּע Deuteronomy 28:28; of smiting horses ׳בַּע Zechariah 12:4, i.e. with blind staggers, making them helplessly wild.
עַוֶּ֫רֶת noun feminine id.; — of sacrifice animals, abstract for concrete, Leviticus 22:22 (H).