dog days

1. The hot, sultry period of summer between early July and early September.
2. A period of stagnation.

Origin:

Origin: Translation of Late Latin diēs canīculārēs, Dog Star days (so called because the Dog Star (Sirius) rises and sets with the sun during this time)

Origin: : Latin diēs

Origin: , pl. of diēs, day

Origin: + Late Latin canīculārēs

Origin: , pl. of canīculāris, of the Dog Star