Where does “sadełko” come from?

sadełko (Polish) comes from Polish sadło, from Proto-Slavic sadlo, from Livonian sǟdõ, from Proto-Finnic säätädäk — to arrange, organize.

Ancestry of “sadełko”, step by step

StepLanguageWordMeaning
1Polishsadłoanimal fat tissue; salo
2Proto-Slavicsadlofat
3Livoniansǟdõto arrange, organize
4Proto-Finnicsäätädäkto arrange, organize
Every word from Proto-Finnic säätädäkEvery word from Livonian sǟdõEvery word from Proto-Slavic sadlo