Where does “täydennysosa” come from?

täydennysosa (Finnish) comes from Finnish täydennys, from Finnish täydentää, from Finnish täysi, from Proto-Finnic täüci, from Proto-Uralic täwde — full.

täydennysosa (Finnish): supplement, addendum, appendix

Definitions

  1. supplement, addendum, appendix

Ancestry of “täydennysosa”, step by step

täydennysosa traces back through two separate lines of ancestry.

via Finnish täydennys

StepLanguageWordMeaning
1Finnishtäydennyssupplement, supplies, reinforcements
2FinnishtäydentääTo supplement, to reinforce; To complement; To...
3Finnishtäysifull
4Proto-Finnictäücifull
5Proto-Uralictäwdefull

via Finnish osa

StepLanguageWordMeaning
1Finnishosapart; piece; proportion, section
2Proto-Finnicosapart
3Proto-Uraliconćapart, share (of meat?)
Every word from Proto-Uralic täwde →Every word from Proto-Finnic täüci →Every word from Finnish täysi →