Dictionary.com
Thesaurus.com

hypomixolydian mode

American  
[hahy-poh-mik-suh-lid-ee-uhn, hip-oh-, hahy-poh-, hip-oh-] / ˈhaɪ poʊˌmɪk səˈlɪd i ən, ˈhɪp oʊ-, ˌhaɪ poʊ-, ˌhɪp oʊ- /

noun

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


Etymology

Origin of hypomixolydian mode

First recorded in 1895–1900; hypo- + mixolydian mode