Czech boj

← Czech bojovat (link)

← Czech bojovník (link)

← Czech bojovný (link)

← Proto-Slavic *bojь (inherited)

→ Czech souboj (prefix)

→ Czech bojovat (affix)

→ Czech bojiště (suffix)

→ Czech sedmiboj (affix)

→ Czech bojový (affix)

→ Czech pětiboj (affix)