Polish sierpień

← Czech srpen (cognate)

← Polish sierp (affix)

← Polish -eń (affix)

← Serbo-Croatian srpanj (cognate)

→ Czech srpen (cognate)

→ Kashubian serzpiéń (cognate)

→ Polish sierpniowy (suffix)

→ Polish Sierpień (mention)

→ Russian серпень (cognate)

→ Serbo-Croatian srpanj (cognate)

→ Ukrainian серпень (cognate)