TgJ Is18:4 :כִשחֵין פְצִיַח עַל שְמַש כַעְנַן טַל בִשחֵין חְצָד‏ : like heat shining more than the sun, like a cloud of dew in the heat of harvest
See the entire entry for šḥin, šiḥnā n.m. heat; boil

TgJ Is18:4 :אְנִיַח לְעַמִי יִשׂרָאֵל וְאַשקֵיט לְהוֹן‏ :
See the entire entry for šqṭ vb. to rest