Where does “scriptuir” come from?

scriptuir (Old Irish) comes from Latin scrīptūra, from Latin scrīptum, from Latin scrībō, from Proto-Italic skreiβō, from Proto-Indo-European skreybʰ- — to write.

scriptuir (Old Irish): holy scripture, Holy Writ

Definitions

holy scripture, Holy Writ

Ancestry of “scriptuir”, step by step

Step	Language	Word	Meaning
1	Latin	scrīptūra	a writing, something written
2	Latin	scrīptum	text; anything written, writing
3	Latin	scrībō	to write
4	Proto-Italic	skreiβō	to carve
5	Proto-Indo-European	skreybʰ-	to write

Every word from Proto-Indo-European skreybʰ- →Every word from Proto-Italic skreiβō →Every word from Latin scrībō →