Early 19th century; earliest use found in John Wall Callcott (1766–1821), composer and music teacher. From post-classical Latin polyodicus from poly- + ancient Greek ᾠδή song + classical Latin -icus. Compare German polyodisch.
Definition of polyodic in US English:
polyodic
adjectiveˌpɒlɪˈɒdɪk
Music rare
Polyphonic.
Origin
Early 19th century; earliest use found in John Wall Callcott (1766–1821), composer and music teacher. From post-classical Latin polyodicus from poly- + ancient Greek ᾠδή song + classical Latin -icus. Compare German polyodisch.