Where does “ammattiopisto” come from?

ammattiopisto (Finnish) comes from Finnish ammatti, from Middle Low German ambacht, from Old Saxon ambaht, from Proto-Germanic ambahtaz, from Gaulish ambaxtos, from Proto-Celtic ambaxtos, from Proto-Indo-European h₂eǵ- — to drive.

ammattiopisto (Finnish): vocational school

Definitions

vocational school

Ancestry of “ammattiopisto”, step by step

ammattiopisto traces back through two separate lines of ancestry.

via Finnish ammatti

Step	Language	Word	Meaning
1	Finnish	ammatti	profession, vocation, occupation; professional,...
2	Middle Low German	ambacht	—
3	Old Saxon	ambaht	service
4	Proto-Germanic	ambahtaz	servant
5	Gaulish	ambaxtos	vassal, high-ranking servant
6	Proto-Celtic	ambaxtos	servant
7	Proto-Indo-European	h₂eǵ-	to drive

via Finnish opisto

Step	Language	Word	Meaning
1	Finnish	opisto	institute, college
2	Finnish	oppi	doctrine; study, -logy, theory; in this sense...
3	Finnish	oppia	to learn
4	Proto-Finnic	oppidak	to learn
5	Proto-Finno-Ugric	woppe-	—

Every word from Proto-Indo-European h₂eǵ- →Every word from Proto-Celtic ambaxtos →Every word from Gaulish ambaxtos →