noun
multiple layers; piling up
Describes something layered or stacked many times, often used in adverbial form 幾重にも (over and over, repeatedly, or in many layers).
See also: 幾重にも
彼は幾重にも重ねた布団で寝ている。
He sleeps on futons piled up in multiple layers.
幾重にもお詫びを申し上げます。
I apologize over and over again.