Where does “paschālis” come from?

paschālis (Latin) comes from Latin Pascha, from Ancient Greek Πάσχα, from Aramaic פסחא, from Hebrew פֶּסַח — Passover.

Ancestry of “paschālis”, step by step

Step	Language	Word	Meaning
1	Latin	Pascha	—
2	Ancient Greek	Πάσχα	Easter
3	Aramaic	פסחא	—
4	Hebrew	פֶּסַח	Passover