PJ Ex9:18 :ברדא תקיף לחדא‏ : very strong hail
See the entire entry for braḏ, barḏā n.m. hail

PJ Ex9:18 :מן יומא דאשתכללו אושהא ועד כדון‏ : from the time its foundations were completed until now
See the entire entry for škll vb. to complete