TgO Ex12:22 :אֵיסָרַת אֵיזוֹבָא‏ : a bunch of hyssop
See the entire entry for ˀsrh n.f. bundle

TgO Ex12:22 :וְתַדוֹן לְשָקְפָא וְלִתרֵין סִיפַיָא‏ : you should sprinkle it on the lintel and the two doorposts
See the entire entry for sap̄, seppā n.m. threshold