כִּ֤י כַפֵּיכֶם֙ נְגֹאֲל֣וּ בַדָּ֔ם וְאֶצְבְּעוֹתֵיכֶ֖ם בֶּֽעָוֺ֑ן שִׂפְתֽוֹתֵיכֶם֙ דִּבְּרוּ־שֶׁ֔קֶר לְשׁוֹנְכֶ֖ם עַוְלָ֥ה תֶהְגֶּֽה׃
For your hands are defiled with blood, And your fingers with iniquity; Your lips have spoken lies, Your tongue muttereth wickedness.
Rashi on Isaiah
were defiled Heb. נְגֹאֲלוּ, an expression of defilement. Comp. (Mal. 1:7) “polluted bread (מְגֹאָל).”
Ibn Ezra on Isaiah
נגאלו Are defiled. The grammatical form of the word is a compound of the Niphal and Pual.2The נ of נגאלו is the characteristic of the Niphal; the Holem in the first syllable that of the Pual; the Niphal being נִגְאֲלוּ, the Pual גּאֲׁלוּ.