Yn is an archaic Cyrillic letter. It looks like the Cyrillic letter Psi (Ѱ ѱ) with its upper half turned upside down, but the letter mostly looks like an arrow pointing vertically up (↑).
Yn is an archaic Cyrillic letter. It looks like the Cyrillic letter Psi (Ѱ ѱ) with its upper half turned upside down, but the letter mostly looks like an arrow pointing vertically up (↑).