Where does “julkistamistilaisuus” come from?

julkistamistilaisuus (Finnish) comes from Finnish julkistaminen, from Finnish julkistaa, from Finnish julkinen, from Finnish -inen, from Finnish -uus, from Proto-Finnic -uc — -ness, -hood.

julkistamistilaisuus (Finnish): launch, launching event at which something, such as a new book, report or product is introduced to the public and/or press

Definitions

launch, launching event at which something, such as a new book, report or product is introduced to the public and/or press

Ancestry of “julkistamistilaisuus”, step by step

julkistamistilaisuus traces back through two separate lines of ancestry.

via Finnish julkistaminen

Step	Language	Word	Meaning
1	Finnish	julkistaminen	—
2	Finnish	julkistaa	to publish, announce
3	Finnish	julkinen	public; unclassified
4	Finnish	-inen	-like, -ous, -y; -en; Creates adjectives from...
5	Finnish	-uus	Forms nouns from adjectives, expressing a quality
6	Proto-Finnic	-uc	-ness, -hood

via Finnish tilaisuus

Step	Language	Word	Meaning
1	Finnish	tilaisuus	occasion; opportunity, chance
2	Finnish	tila	state; condition; Short for maatila

Every word from Proto-Finnic -uc →Every word from Finnish -inen →Every word from Finnish -uus →