TgJ 2K11:2 :וְאַטמַרוּ יָתֵיה מִן קְֹדָם עְתַליָה וְלָא אִתקְטִיל‏ : they hid him from Athaliah and he was not killed
See the entire entry for ṭmr vb. to hide or bury s.t. in the ground