וְאֵה֥וּד נִמְלַ֖ט עַ֣ד הִֽתְמַהְמְהָ֑ם וְהוּא֙ עָבַ֣ר אֶת־הַפְּסִילִ֔ים וַיִּמָּלֵ֖ט הַשְּׂעִירָֽתָה׃
And Ehud escaped while they lingered, having passed beyond the quarries, and escaped unto Seirah.
Metzudat David on Judges
They waited and delayed until it became embarrassing