TgO Gen42:28 :וֻנפַק מַדַע לִיבְהוֹן
: they were confused (lit.: their mind's knowledge went away)
See the entire entry for leḇ, lebbāˀ n.m. heart; mind
TgO Gen42:28 :אִיתָתַב כַספִי
: my silver has been returned
See the entire entry for twb vb. to return
TgO Gen42:28 :וֻנפַק מַדַע לִיבְהוֹן וֻתוַהֻו גְבַר בַאֲחֻוהִי לְמֵימַר מָא דָא עֲבָד יוי לַנָא
: they were befuddled and said in astonishment to each other: what has the Lord done to us?
See the entire entry for twh vb. to be astounded and confused