Noun
paying back in installments (instalments); amortization plan (amortisation)
orig. meaning
gradual progression (oft. into an unwanted state); doing little by little; steady development; continual advancement
usu. adverbially as ~(的)に
proceeding in a continual and vague fashion; gradually obscuring; quiet fading
Colloquialoft. adverbially as ~(的)に
Also written 済し崩し【なしくずし】