Where does “loba” come from?

loba (Ingrian) comes from Russian лоб, from Proto-Slavic lъbъ, from Proto-Indo-European lubʰo.

Ancestry of “loba”, step by step

StepLanguageWordMeaning
1Russianлобforehead
2Proto-Slaviclъbъskull
3Proto-Indo-Europeanlubʰo—
Every word from Proto-Indo-European lubʰo →Every word from Proto-Slavic lъbъ →Every word from Russian лоб →
loba — Etymology, Origin & Word History | Etymology Explorer