поседети (Serbo-Croatian) comes from Serbo-Croatian седети, from Proto-Slavic sěděti, from Proto-Balto-Slavic *sēdḗˀtei, from Proto-Indo-European sḗd- — to sit.
поседети (Serbo-Croatian): to become gray, gray-haired
Definitions
to become gray, gray-haired
Ancestry of “поседети”, step by step
поседети traces back through two separate lines of ancestry.