German gewähren

← English guarantee (cognate)

← English warrant (mention)

← Proto-Germanic *warjaną (inherited)

← Middle High German [[gewern|(ge)]][[wern]] (inherited)

← Old High German [[giweren|(gi)]][[werēn]] (inherited)

→ English guaranty (cognate)

→ German Gewährung (affix)

→ Spanish garante (cognate)

→ French garantie (cognate)

→ Italian garante (cognate)

→ Old Irish feraid (cognate)