يافوخ

Etymology
Seemingly borrowed from, reanalyzed from , , , , – obviously a much used word – after the root  cognate to the Arabic root  related to bursting in place of the root  cognate to Arabic  related to reaving, so the Arabic etymological parallel would be  from the related , the borrowing source being a regiolect and chronolect where the distinction of , ,  and  was already degenerated – as the source of 🇨🇬 –, resolving the gap after the stem with  as nearest consonant to  to obtain a triconsonantal term again.

Noun

 * 1)  crown (of the head), vertex
 * 2)  fontanelle