שָׁרַב (Shaf. of חרב) to glow, be dry.
Hithpa. - הִשְׁתָּרֵב to be overcome by the heat. Sifra K’dosh. ch. III, Par. 2 (ref. to Lev. XIX, 14) אל תאמר … שׁיִשְׁתָּרֵב do not advise him … ‘go on the road at noon-time’, that he may be overcome by the heat; Yalk. Lev. 609.