to (an extent); up to; so far as; even
Emphatic form of まで, used to stress the extent or limit of something. Often implies 'even to the point of' or 'as far as'.
See also: まで
彼は自分の命を犠牲にしてまでも、家族を守ろうとした。
He tried to protect his family, even at the cost of his own life.
そんなことをしてまでも、成功し
there is no need to ...; it should hardly be necessary to ...
Used in the pattern ...までもない, meaning 'it is not necessary to ...' or 'there is no need to ...'. Often follows a verb in dictionary form.
See also: までもない
言うまでもなく、健康は大切だ。
Needless to say, health is important.
even if there is no need to ... (at least ...)
Used in the pattern ...ないまでも, meaning 'even if not ... at least ...'. It sets a lower bound or a minimal expectation.
毎日とは言わないまでも、週に一度は運動したほうがいい。
Even if not every day, you should exercise at least once a week.
I don't want to succeed even if it means doing such a thing.
わざわざ説明するまでもないだろう。
There's probably no need to explain it in detail.
完璧ではないまでも、かなり良い出来だ。
Even if it's not perfect, it's a pretty good result.
まで is the plain particle for 'until/up to', while までも adds emphasis, suggesting 'even to the point of' and appearing in set patterns like ～までもない.
Compound of まで (until, up to) + も (also, even). The combination adds emphasis, extending the limit or extent.