Where does “skrīva” come from?

skrīva (Old Frisian) comes from Proto-Germanic skrībaną, from Latin scrībō, from Proto-Italic skreiβō, from Proto-Indo-European skreybʰ- — to write.

Ancestry of “skrīva”, step by step

Step	Language	Word	Meaning
1	Proto-Germanic	skrībaną	to write
2	Latin	scrībō	—
3	Proto-Italic	skreiβō	to carve
4	Proto-Indo-European	skreybʰ-	to write

skrīva — Etymology, Origin & Word History | Etymology Explorer