Czech bádat

← Czech ob- (link)

← Polish badać (cognate)

← Slovak bádať (cognate)

← Proto-Slavic *badati (inherited)

← Proto-Slavic *bosti (mention)

← Proto-Slavic *adati (mention)

← Proto-Slavic *obadati (mention)

→ Czech bádání (affix)

→ Czech badatel (suffix)

→ Czech probádat (affix)

→ Czech bádavý (affix)

→ Polish badać (cognate)

→ Slovak bádať (cognate)