German opfern

← Middle High German opfern (inherited)

← Middle High German ophern (mention)

← Old High German opfarōn (inherited)

← Old High German opharōn (mention)

← Old High German offarōn (mention)

→ English offer (cognate)

→ German Opfer (mention)

→ German aufopfern (affix)

→ Esperanto oferi (borrowed)

→ Luxembourgish afferen (cognate)