とまで言った

even went so far as to say

→ と
phrase Rare #27,449
even went so far as to say と marks the quoted words, and まで emphasizes that what was said was extreme or unexpected. Depending on context, 言った can be translated as “called” when followed by a label or insult.
JA: 彼女は私のことを臆病者とまで言った。
EN: She even went so far as to call me a coward.

彼は私を馬鹿とまで言った。

He even went so far as to call me an idiot.

彼は彼女のことを馬鹿だとまで言った。

He even went so far as to call her stupid.

彼は私をうそつきだとまで言った。

He even called me a liar.

彼は君のことを偽善者とまで言った。

He even went so far as to call you a hypocrite.

彼女は、彼はペテン師だ、とまで言った。

She went so far as to say that he was a swindler.