e/Nenano

Information
has gloss	eng: Nenano is the name of one of the two "extra" modes in the Byzantine Octoechos, that is the modal system of the eastern Roman chant. The second "extra mode" is named nana. These two modes were later identified with phthorai, that signs indicating specific modulation or alteration phenomena (see more below).
lexicalization	eng: nenano
instance of	(noun) any of various fixed orders of the various diatonic notes within an octave mode, musical mode