Parashas Eikev · Passuk 11:14
IeI That is, GOD; Samaritan reads in the 3rd person. will grant the rain for your land in season, the early rain and the late. You shall gather in your new grain and wine and oil—
Torah Temimah points to Taanit 6a.
TT lemma: יורה ומלקוש (unit 3 of 10).
English: Our Rabbis taught: Might yoreh mean rain that strips the fruit and washes away seeds and trees? Scripture says malkosh: just as malkosh is for blessing, so yoreh is for blessing.
Custom (yoreh as blessing, not destruction)
The early rain is defined as beneficial, matched to the blessed character of the late rain.