TgO Lev25:19 :וְתִיתֵין אַרעָא אִיבַה וְתֵיכְלוּן לְמִסבַע וְתִיתְבוּן לְרוּחצָן עְלַה‏ : the land shall provide its fruit and you will eat until satisfied and dwell securely upon it
See the entire entry for lrwḥṣn adv. securely