Where does “escriptura” come from?

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

escriptura (Old Occitan): scripture; The Scripture

Definitions

scripture; The Scripture

Ancestry of “escriptura”, 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 →