how many times, many times
その建物は幾度もオーナーを変えた。
That building has changed owners several times.
彼は幾度となくためになる助言をしてくれた。
He gave me useful advice time and time again.
幾度も読んでみて初めてその詩のよさが分かる。
It's only after reading the poem several times that you come to appreciate its beauty.