Where does “nivelrokko” come from?

nivelrokko (Finnish) comes from Finnish nivel, from Finnish niveljalkainen, from New Latin Arthropoda, from Ancient Greek ἄρθρον, from Ancient Greek ἀραρίσκω, from Ancient Greek -σκω, from Proto-Indo-European -sḱéti — Forms durative or iterative imperfective verbs...

Ancestry of “nivelrokko”, step by step

nivelrokko traces back through two separate lines of ancestry.

via Finnish nivel

StepLanguageWordMeaning
1Finnishniveljoint; articulation
2FinnishniveljalkainenAn arthropod
3New LatinArthropoda
4Ancient Greekἄρθρονjoint; limb; articulation
5Ancient Greekἀραρίσκωjoin, fasten; fit together, construct; fit,...
6Ancient Greek-σκωPrimitive suffix used to form present-tense...
7Proto-Indo-European-sḱétiForms durative or iterative imperfective verbs...

via Finnish rokko

StepLanguageWordMeaning
1Finnishrokkopock; pox; used of some plant diseases which...
2Finnishnokkosrokkourticaria
3Finnishnokkonennettle; stinging nettle
4Finnishnokkabeak, bill, rostrum; beak; front of a car or...
5Proto-Finnicnokkabeak, bill
Every word from Proto-Indo-European -sḱétiEvery word from Ancient Greek -σκωEvery word from Ancient Greek ἀραρίσκω