Where does “luprachán” come from?

luprachán (Irish) comes from Middle Irish luchrupán, from Old Irish luchorpán, from Old Irish corp, from Latin corpus, from Proto-Italic korpos, from Proto-Indo-European krépos, from Proto-Indo-European krep- — body.

Ancestry of “luprachán”, step by step

Step	Language	Word	Meaning
1	Middle Irish	luchrupán	—
2	Old Irish	luchorpán	—
3	Old Irish	corp	body; corpse; Eucharist, Communion
4	Latin	corpus	body, person; substance, material; the flesh of...
5	Proto-Italic	korpos	body
6	Proto-Indo-European	krépos	body
7	Proto-Indo-European	krep-	body

Every word from Proto-Indo-European krep- →Every word from Proto-Indo-European krépos →Every word from Proto-Italic korpos →