Ѣ

 

 Yat on Wikipedia

 

Ѣ (lower case ѣ) (italics: Ѣ, ѣ)

1. The thirty-second letter of the Early Cyrillic alphabet. Its name is yat (Old Church Slavonic ѣть, Russian ять, Bulgarian ят, Serbo-Croatian and Macedonian јат) and it represented the Common Slavonic long vowel /æː/, sometimes transliterated as ě. It is preceded by Ь and followed by Ю.

• Wikipedia article on the Early Cyrillic alphabet

 

 ѣ on Russian Wikipedia

 

Ѣ • (Jě) (upper case, lower case ѣ)

1. (obsolete) Letter yat (in Russian: ять (jatʹ)).