[Latin] unde ipsum esse est actualitas omnium rerum, etiam ipsarum formarum.
[English] Hence existence is that which actuates all things, even their forms.
ちがうじゃない。Freddosoの新訳は,
hence, esse itself is the actuality of all things and especially of their forms.
となっていて正しい。(ただしetiamをespeciallyと訳しているのは残念。)