Where does “expiscans” come from?

expiscans (Latin) comes from Latin expiscor, from Latin piscor, from Latin Piscis, from Proto-Indo-European *peysk-.

expiscans (Latin): finding out

Definitions

Step	Language	Word	Meaning
1	Latin	expiscor	I fish or angle; I find out
2	Latin	piscor	I fish
3	Latin	Piscis	—
4	Proto-Indo-European	*peysk-	—

expiscans — Etymology, Origin & Word History | Etymology Explorer