TgJ Zec5:11 :וְיִתעַכְבוּן וִיִתאַחֲדוּן תַמָן עַד דְיִמטֵי זְמָנְהוֹן‏ : they shall be detained and held there until their time comes
See the entire entry for ˁkb vb. to hold back, to hesitate