Mandaic

nhp - to blow up a flame, to fan a flame, to breathe fire (MD 291)

Related with metathesis.

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.