Where does “puhelinoperaattori” come from?

puhelinoperaattori (Finnish) comes from Finnish operaattori, from Latin operatōr, from Latin operor, from Latin opera, from Latin Opus, from Ancient Greek Ὀποῦς, from Ancient Greek ὀπός, from Proto-Indo-European sokʷós — to follow; to see; to say.

Ancestry of “puhelinoperaattori”, step by step

puhelinoperaattori traces back through two separate lines of ancestry.

via Finnish operaattori

StepLanguageWordMeaning
1Finnishoperaattorioperator; Short for teleoperaattori
2Latinoperatōrworker, operator
3LatinoperorI work, labor
4Latinoperawork, exertion, effort; service; care, attention...
5LatinOpusThe capital city of the Locri and birthplace of Patroclus
6Ancient GreekὈποῦςOpus, Greece
7Ancient Greekὀπόςjuice, vegetable/plant juice; fig-juice
8Proto-Indo-Europeansokʷósjuice of plants
9Proto-Indo-Europeansekʷ-to follow; to see; to say

via Finnish puhelin

StepLanguageWordMeaning
1Finnishpuhelintelephone, phone; Short for puhelinnumero;...
2FinnishpuhellaTo chatter
3FinnishpuhuaTo talk; To speak
4Proto-Finnicpuhudakto blow
5Proto-Uralicpuše-blow
Every word from Proto-Indo-European sekʷ-Every word from Proto-Indo-European sokʷósEvery word from Ancient Greek ὀπός