About GREEK CAPITAL LETTER ETA WITH PROSGEGRAMMENI
Greek Capital Letter Eta With Prosgegrammeni (U+1FCC) is a Unicode titlecase letter from the Greek Extended block. It resides on Plane 0 (BMP, Basic Multilingual Plane), has bidirectional class L (left-to-right), is not mirrored, and has combining class 0 (Not Reordered). In HTML it can be written as ῌ or ῌ.