A verb attested only in the form usaphda “he understood”, an aorist inflection with the 3rd person masculine pronominal prefix u- (SD/421). Archaically its aorist form underwent phonetic changes to become †saptha, but it was later reformed to be consistent with other inflections of the verb (such as the past tense ✱sapphada).
Primitive adûnaic
saphad
root. understand
A Primitive Adûnaic root glossed “understand” (SD/416), the basis for the verb saphad- “to understand” and the noun sapthân “wise man” (SD/421).