U+2DE9 "ⷩ" Combining Cyrillic Letter En Unicode Character

U+2DE9 "ⷩ" Combining Cyrillic Letter En is a combining diacritical mark used in the Cyrillic script to modify a base letter, typically indicating a nasalized pronunciation or a specific phonetic nuance in certain Slavic languages or scholarly transliterations of Church Slavonic. It appears as a small, attached form of the Cyrillic letter En, which resembles a lowercase "n" but often with a distinctive hook or tail, and is placed directly above or as a superscript component of the preceding character. This character is part of the Cyrillic Extended A block and supports the precise representation of historical or dialectal texts where such nasalization is phonemically significant.