TgJ Jud20:38 :וְזִמנָא הְוָה מְתֻקַן לַאְנָש יִשׂרָאֵל עִם כָמְנָא‏ : there was a signal prepared for the Israelite forces with the ambush
See the entire entry for zman, zimnā n.f./m. set time; instance

TgJ Jud20:38 :דְיַסגוֹן לְאַסָקָא יְטוּר דְתָנַן מִן קַרתָא‏ : that they should make a lot of smoke columns rise from the city
See the entire entry for yṭwr n.m. rising column (of smoke)