Where does “plagians” come from?

plagians (Latin) comes from Latin plagio, from Latin plagium, from Ancient Greek πλάγιος, from Ancient Greek -ῐος, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

plagians (Latin): kidnapping

Definitions

kidnapping

Ancestry of “plagians”, step by step

Step	Language	Word	Meaning
1	Latin	plagio	to steal (a person), kidnap
2	Latin	plagium	manstealing, kidnapping, the selling of freemen...
3	Ancient Greek	πλάγιος	placed sideways, slanting, aslant
4	Ancient Greek	-ῐος	belonging to; of”, “belonging to”, “pertaining to
5	Proto-Indo-European	-yós	Creates adjectives from noun or verb stems

Every word from Proto-Indo-European -yós →Every word from Ancient Greek -ῐος →Every word from Ancient Greek πλάγιος →