Where does “сил” come from?
сил (Bulgarian) comes from English sill, from Middle English sille, from Old English syll, from Proto-Germanic sulī, from Proto-Indo-European sēl- — to calm, quiet, be favourable.
сил (Bulgarian): tabular layer of rock that has intruded between older sediments of rock
Definitions
- tabular layer of rock that has intruded between older sediments of rock