ŝéfaḳ - to be well-formed, well-developed (about a new-born child or animal); to be clever, intelligent (Naumkin et al. 2016b:63; Naumkin et al. 2022:276)

PWS
*ŝpḳ - to be sufficient, to be abundant (Naumkin et al. 2022:276)

From Aramaic this root was borrowed into Akkadian as sapāḳu ‘to be sufficient’.