C12: from Old French pasche, via Church Latin and Greek from Hebrew pesakhPesach
Pasch in American English
(pæsk)
noun
1.
Passover
2.
Easter
Derived forms
paschal (ˈpaschal) (ˈpæskəl)
adjective
Word origin
ME pasche < OFr < LL(Ec) pascha < Gr(Ec) (in N.T. & LXX) < Heb pesach, usually interpreted “passage”, as if < psḥ, to pass over, but ? akin to Akkadian pessū, lame