Arabic

nfḥ - to diffuse (of odour); to blow (of wind) (BK 2 1306, Lane 2820)

Probably related as a variant root.

PS
*npḫ - to blow, breathe, inflate (SED I No. 45v)
Eventually derived from *pḫ/ḥ ‘to breath, blow, exhale (smell)’ (SED I No. 54v) by prefixation of *n­.