Where does “ykkösvalmentaja” come from?

ykkösvalmentaja (Finnish) comes from Finnish valmentaja, from Finnish jä, from Proto-Finno-Ugric *ja, from Proto-Germanic jahw, from Proto-Germanic -hw, from Proto-Germanic -hwe, from Proto-Indo-European -kʷe — and; Forms distributives from interrogatives.

Ancestry of “ykkösvalmentaja”, step by step

ykkösvalmentaja traces back through two separate lines of ancestry.

via Finnish valmentaja

StepLanguageWordMeaning
1Finnishvalmentajacoach
2Finnishjäice
3Proto-Finno-Ugric*ja—
4Proto-Germanicjahwand, also
5Proto-Germanic-hwand; Forms distributives from interrogatives
6Proto-Germanic-hwe—
7Proto-Indo-European-kʷeand; Forms distributives from interrogatives

via Finnish ykkönen

StepLanguageWordMeaning
1Finnishykkönenone; unit, the number one; first
2Finnish-nenForms diminutives nouns or terms expressing...
3Finnish-inen-like, -ous, -y; -en; Creates adjectives from...
4Finnish-uusForms nouns from adjectives, expressing a quality
5Proto-Finnic-uc-ness, -hood
Every word from Proto-Indo-European -kʷe →Every word from Proto-Germanic -hw →Every word from Proto-Germanic jahw →