Where does “muromaito” come from?

muromaito (Ingrian) comes from Ingrian muro, from Ingrian murtaa, from Proto-Finnic murtadak, from Proto-Uralic mura- — break.

Ancestry of “muromaito”, step by step

muromaito traces back through two separate lines of ancestry.

via Ingrian muro

StepLanguageWordMeaning
1Ingrianmurolawn
2Ingrianmurtaato break
3Proto-Finnicmurtadakto break
4Proto-Uralicmura-break

via Ingrian maito

StepLanguageWordMeaning
1Ingrianmaitomilk
2Proto-Finnicmaitomilk
3Proto-Uralicmajδ̕ɜ—
Every word from Proto-Uralic mura- →Every word from Proto-Finnic murtadak →Every word from Ingrian murtaa →