Where does “*Pärnäispää” come from?

*Pärnäispää (Ingrian) comes from Ingrian pärnäin, from Ingrian -in, from Proto-Finno-Ugric *-in, from Proto-Uralic -ma.

Ancestry of “*Pärnäispää”, step by step

*Pärnäispää traces back through two separate lines of ancestry.

via Ingrian pärnäin

StepLanguageWordMeaning
1Ingrianpärnäin—
2Ingrian-inForms adjectives indicating the material of which something is made; -en
3Proto-Finno-Ugric*-in—
4Proto-Uralic-ma—

via Ingrian pää

StepLanguageWordMeaning
1Ingrianpäähead
2Proto-Finnicpäähead
3Proto-Uralicpäŋehead
Every word from Proto-Uralic -ma →Every word from Ingrian -in →Every word from Proto-Finno-Ugric *-in →