כָּרְת֤וּ יַעְרָהּ֙ נְאֻם־יְהוָ֔ה כִּ֖י לֹ֣א יֵֽחָקֵ֑ר כִּ֤י רַבּוּ֙ מֵֽאַרְבֶּ֔ה וְאֵ֥ין לָהֶ֖ם מִסְפָּֽר׃
Rashi on Jeremiah
They will cut down her forest They have power to cut down her forest.
Rashi on Jeremiah
for they are innumerable [lit. it shall not be fathomed, i.e.,] the number of their host.