U+1FE4 "ῤ" Greek Small Letter Rho with Psili Unicode Character

U+1FE4 "ῤ" Greek Small Letter Rho with Psili is a specific variant of the Greek letter rho, distinguished by the diacritical mark known as psili, which resembles a smooth breathing mark and indicates the absence of an initial "h" sound in Ancient Greek pronunciation. This character is used in ancient Greek texts, particularly in contexts where the rho appears at the beginning of a word or syllable and is marked as unaspirated, contrasting with the rough breathing mark (dasía) that indicates an aspirated rho. It belongs to the Greek Extended Unicode block and is encoded for scholarly and typographic purposes to accurately represent historical Greek orthography.