Where does “valikko-ohjaus” come from?

valikko-ohjaus (Finnish) comes from Finnish välikkö, from Finnish -ikko, from Proto-Finnic -ikko, from Proto-Finnic -i- — Plural number marker in other cases than the nominative (and optionally the genitive).

valikko-ohjaus (Finnish): menu navigation

Definitions

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Ancestry of “valikko-ohjaus”, step by step

valikko-ohjaus traces back through two separate lines of ancestry.

via Finnish välikkö

Step	Language	Word	Meaning
1	Finnish	välikkö	passage
2	Finnish	-ikko	Forms nouns for groups of a particular number,...
3	Proto-Finnic	-ikko	Forms nouns indicating a group of things
4	Proto-Finnic	-i-	Plural number marker in other cases than the nominative (and optionally the genitive)

via Finnish ohjaus

Step	Language	Word	Meaning
1	Finnish	ohjaus	control, guidance, steering, instruction;...
2	Finnish	ohjata	to steer, pilot, navigate, drive a vehicle; to...
3	Proto-Finno-Ugric	*ohjat'ak	—

Every word from Proto-Finnic -i- →Every word from Finnish -ikko →Every word from Proto-Finnic -ikko →