Where does “chybovost” come from?
chybovost (Czech) comes from Czech chybový, from Czech chyba, from Old Czech chyba, from Proto-Slavic xyba, from Proto-Slavic xybati, from Proto-Indo-European kʷsewbʰ-.
chybovost (Czech): bugginess
Ancestry of “chybovost”, step by step