Where does “Hudsonjoki” come from?

Hudsonjoki (Finnish) comes from Finnish Hudson, from English Hudson, from English -son, from Middle English -son, from Middle English -es, from Old English -es, from Proto-Germanic -as, from Proto-Indo-European -ēs — Creates action nouns or result nouns from verbs;...

Ancestry of “Hudsonjoki”, step by step

Hudsonjoki traces back through two separate lines of ancestry.

via Finnish Hudson

StepLanguageWordMeaning
1FinnishHudsonHudson
2EnglishHudsonA placename
3English-sonAdded to a stem to form a patronymic or...
4Middle English-sonson
5Middle English-esAlternative form of -yssh; Alternative form of...
6Old English-espossessive marker, indicating that an object...
7Proto-Germanic-asused in formation of adverbs
8Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
9Proto-Indo-European-ess
10Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

via Finnish joki

StepLanguageWordMeaning
1Finnishjokiriver
2Finnishsokeusblindness
3Finnishsokeablind
4Proto-Finnicsokedablind
Every word from Proto-Indo-European -os