ὀπτασίᾳ ὀπτασίαν ὀπτασίας
From a presumed derivative of optanomai; visuality, i.e. (concretely) an apparition -- vision.
see GREEK optanomai
ὀπτασίᾳ (optasia) − 1 Occurrence
ὀπτασίαν (optasian) − 2 Occurrences
ὀπτασίας (optasias) − 1 Occurrence