زٞافُن
zö́fon (yezófen/ľizfέn)
базовые морфологические сведения

v. (Ia)

to squeeze to each other, to be numerous
прижиматься друг к другу, быть многочисленным
تلاصق، كثُر
LS 155; Bulakh et al. 2021:281
текстовые примеры

égaḥk be-ŝébeʰ di-siyáraʰ men ḥérhen wa-ˀaḷ-ˀézˁomk súwa ken ˁeghéten di-zö́fon wa-déḷaḳ ‘I climbed to the back part of the car but I could not sit well because of the women who squeezed to each other, and there were many of them’ (Bulakh et. al. 2021:281)

корень
zfn
дериваты
этимология

While no clear-cut etymology is at hand, an eventual connection to PWS *zpn ‘to dance’ cannot be ruled out.