octavate · verb1
- French · derived fromoctavier
- English todayoctavate
First attested in 1922; formed as octav(e) + -ate (verb-forming suffix), in the musical sense after the French octavier.
octavate · noun2
First attested in the 2000, from octave + -ate (noun-forming suffix).
Etymology from Wiktionary, CC BY-SA 4.0.