оток (Serbo-Croatian) comes from Serbo-Croatian ток, from Proto-Slavic tokъ, from Proto-Balto-Slavic takas, from Proto-Indo-European tekʷ- — to run, to flow.
оток (Serbo-Croatian): island; swelling
Definitions
island; swelling
Ancestry of “оток”, step by step
оток traces back through two separate lines of ancestry.