SamTgJ Ex2:2 :ובטנת אתתה וילדת בר‏ :
See the entire entry for bṭn vb. to be pregnant

SamTgJ Ex2:2 :וכוננתה תלתה ירחים ולא יכלת עוד מכוננתה‏ : she hid him for three months but was not able to hide him any more
See the entire entry for kwnn vb. to hide