A primitive root; probably to leap (with joy), i.e. Exult -- harden self.
H5539. salad
[סָלַד] verb very dubious, perhaps spring (Late Hebrew start or spring back, as hand from fire; see Levy); —
Pi`el Imperfect1singular וַאֲסַלְּדָה Job 6:10 and I would spring (for joy) in (my) anguish.