Where does “optio-oikeus” come from?

optio-oikeus (Finnish) comes from Finnish optio, from Latin optiō, from Latin -iō, from Proto-West Germanic -jō, from Proto-Indo-European -yéti, from Proto-Indo-European yé-, from Chichewa iye — he, she.

optio-oikeus (Finnish): A right established by issuance of an option,...

Definitions

A right established by issuance of an option,...

Ancestry of “optio-oikeus”, step by step

optio-oikeus traces back through two separate lines of ancestry.

via Finnish optio

Step	Language	Word	Meaning
1	Finnish	optio	option
2	Latin	optiō	choosing, choice, preference, option
3	Latin	-iō	—
4	Proto-West Germanic	-jō	Forms agent nouns from verbs
5	Proto-Indo-European	-yéti	Creates intransitive, often deponent,...
6	Proto-Indo-European	yé-	—
7	Chichewa	iye	he, she

via Finnish oikeus

Step	Language	Word	Meaning
1	Finnish	oikeus	right; law; justice, law
2	Finnish	oikea	right; right, correct; appropriate, proper,...
3	Proto-Finnic	oikeda	straight; right, correct
4	Proto-Finno-Permic	wojketa	—

Every word from Chichewa iye →Every word from Proto-Indo-European -yéti →Every word from Latin -iō →