The
Triodion (;
Slavonic: Постнаѧ Трїωдь,
Postnaya Triod; ,
Albanian:
Triod/Triodi), also called the
Lenten Triodion (Τριῴδιον κατανυκτικόν,
Triodion katanyktikon), is the
liturgical book used by the
Eastern Orthodox Church. The book contains the
propers for the fasting period preceding Easter and for the weeks leading up to the fast.