PJ Gen16:10 :אסגאה אסגי ית בנייכי ולא יתמנון מסגי‏ : I shall indeed make your children numerous and uncountable due to their abundance
See the entire entry for sgy vb. to be many

PJ Gen16:10 :אסגאה אסגי ית בנייכי ולא יתמנון מסגי‏ : I shall increase your children and they will not be countable due to the large number
See the entire entry for sŭḡē, sugˀā n.m. large amount, multitude