πάσχα

indecl., τό
A. pāsa[hudot ] 'pass over') or Paschal feast, LXX Ex. 12.48, etc.
2. paschal supper, Ev.Matt. 26.17, 19,al.
3. paschal lamb, θύειν τὸ π. LXX Ex. 12.21, al. ; τὸ π. ἐτύθη Χριστός 1 Ep.Cor. 5.7.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project