толстокожий (Russian) comes from Russian ко́жа, from Russian -е́д, from Russian есть, from Proto-Slavic ěsti, from Proto-Balto-Slavic ēˀstei, from Proto-Indo-European h₁édti, from Proto-Indo-European h₁ed- — to eat.
толстокожий (Russian): thick-skinned
Definitions
thick-skinned
Ancestry of “толстокожий”, step by step
толстокожий traces back through two separate lines of ancestry.