Where does “ammattijulkaisu” come from?

ammattijulkaisu (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.

ammattijulkaisu (Finnish): professional publication

Definitions

professional publication

Ancestry of “ammattijulkaisu”, step by step

ammattijulkaisu 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 julkaisu

Step	Language	Word	Meaning
1	Finnish	julkaisu	publication; publishing; release
2	Finnish	julkaista	To publish
3	Finnish	julki	public, known, to the daylight, to the open;...
4	Finnish	-i	A nominal suffix used in eg. ukko → ukki; Used...
5	Proto-Uralic	-j	oblique plural

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