Akkadian

napsuḫu - to step, to march (?) (CAD P 216, AHw. 838)

Derived words: napsuḫtu ‘journey, expedition(?)’ (SAD I).

As originally suggested by Dossin (1956:67, n. 2), napsuḫu can be compared to Hbr. pŝˁ ‘to stride’ and its cognates.