noun, noun or participle which takes 'suru'
making a living; livelihood; means of living
Refers to earning enough to get by, often with a nuance of modest or day-to-day subsistence. Can be used with する to mean 'to make a living'.
彼は小さな店で口過ぎをしている。
He makes a living with a small shop.
口過ぎのために、毎
I have to work every day for a living.