червоточина (Russian) comes from Russian точи́ть, from Proto-Slavic točiti, from Proto-Slavic tekti, from Proto-Balto-Slavic tektej, from Proto-Indo-European tekʷ- — to run, to flow.
червоточина (Russian): wormhole
Definitions
wormhole
Ancestry of “червоточина”, step by step
червоточина traces back through two separate lines of ancestry.