سٞاف
sef (yesóf/ľásɛf)
to add
добавлять
أضاف
LS 283; Bulakh et al. 2021:275
текстовые примеры

ḳaṣk mesmár di-ḷoḥ kor yesáboḳ wa-kánaḥk sofk meʸh di-ḥaḷf trɔ kor yóuṭar wa-yetód énṭen ‘I hammered a nail into a board in order to fasten it. Then I added to it two more, so that it would be firm and stay in its place for some time’ (Bulakh et al. 2021:275)

корень
этимология

From PWS *wsp ‘to add’.