TgJ Is8:20 :לֵית לֵיה מַן דְיַשחַר"דְשָחַר" וְיִבעוֹהִי‏ :
See the entire entry for šhr vb. to be awake

TgJ Is8:20 :מִכְעַן לֵית לֵיה מַן דְיַשחַר"דְשָחַר" וְיִבעוֹהִי‏ : from now on he (Israel) does not have anyone to be vigilant and for him to seek
See the entire entry for šhr vb. to be awake