hypoionian mode

[ hahy-poh-ahy-oh-nee-uh n, hip-oh-, hahy-poh-, hip-oh- ]
/ ˈhaɪ poʊ aɪˈoʊ ni ən, ˈhɪp oʊ-, ˌhaɪ poʊ-, ˌhɪp oʊ- /

noun Music.

a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from G to G, with the final on C.

Origin of hypoionian mode

hypo- + Latin Ion(ius) Ionian + -ian