イ音便 おんびん

iombin

1. Not a y-sound change.; Not euphony.

1. Was a rendaku form.; Was euphonically altered.

1. -n sound change

1. I-sound voicing; I-sound mutation

1. It is not.; It's not the case.

1. It's not a softened sound.; It's not a euphonic change.

1. Was a polite sound change.; Was a polite voicing change.

1. Sound symbolism/euphony; Polite speech/rendaku

1. Is not a contracted form.; Is not a euphonic change.

1. Wasn't a voiced sound change.; Wasn't a rendaku.

1. Probably…;

1. Was not (polite past negative, using "i-sound voicing"); Was not (past negative, polite)

1. Wasn't softened.; Wasn't euphonized.

1. Probably…;

1. Was not a voiced sound change.; Was not an onbin.

1. If/when the i-sound changes…; If/when there’s i-sound voicing…

1. If the final syllable is a "i" sound.; If the final syllable undergoes "i-onbin".

1. If it ends in a y-sound; When it ends in a y-sound