Polish żak

← German Sack (borrowed)

← English student (link)

← English [[eel]] [[basket]], [[eelbuck]], [[eelpot]], eel [[trap]] (link)

← Middle High German sac (derived)

← Old High German sac (derived)

← Latin saccus (derived)

← Polish żakowski (link)

← Old Czech žák (borrowed)

→ Polish Żak (mention)

→ Romanian jaf (borrowed)