Polish badać

← Czech bádat (cognate)

← Slovak bádať (cognate)

← Proto-Slavic *bādàti (inherited)

← Proto-Slavic *bosti (mention)

← Proto-Slavic *adati (mention)

← Proto-Slavic *obadati (mention)

→ Czech bádat (cognate)

→ Polish badanie (affix)

→ Polish badacz (suffix)

→ Polish Badach (mention)

→ Polish Badoń (mention)

→ Polish badany (affix)

→ Polish badawczy (suffix)

→ Polish zbadać (prefix)

→ Slovak bádať (cognate)