English
full combo
From full + combo (“streak of correct inputs”).
A compound of full + combo ‘streak of correct inputs’
Proto-Indo-European *pleh₁- ‘to fill’
…
Proto-Germanic *fullaz ‘full’
Proto-West Germanic *full ‘full’
Old English full ‘full’
Middle English ful ‘full’
English full
The story
A full combo is the longest possible combo for a given chart.
Today it means
noun The achievement of correctly playing all the notes of a level in a rhythm game.
Language periods are conventional ranges, not dates for this word.
Etymograph / full combo