Proto-Germanic *frustaz

→ English frost (inherited)

→ Old English forst (mention)

→ Cimbrian bròst (inherited)

→ German Frost (inherited)

→ Middle Dutch vorst (inherited)

→ Middle English frost (inherited)

→ Esperanto frosto (derived)

→ West Frisian froast (inherited)

→ Old High German frost (mention)

→ Ido frosto (derived)

→ Latin Ariovistus (mention)

→ Luxembourgish Frascht (inherited)

→ Dutch vorst (inherited)

→ Old Norse frost (mention)

→ Saterland Frisian Froast (mention)

→ Swedish frost (mention)