1)
Why does the Torah use the term "Chochmas Leiv" regarding women specifically here?
1.
Yoma, 66b: To teach us that the Chochmah of women is confined to spinning wool.
1
2.
Rambam (Hilchos Ishus, 21:1: It teaches us that spinning is an expertise pertaining to women.
2
1
See Torah Temimah, note 15 & 16. This is no contradiction with the Binah Yeseirah with which women have been endowed.
2
See Torah Temimah, note 16.