French désastre

← French dis (prefix)

← French astre (prefix)

← Italian disastro (borrowed)

→ German Unstern (calque)

→ French désastreux (affix)

→ French mégadésastre (prefix)

→ Haitian Creole dezas (derived)

→ Ido dizastro (borrowed)

→ Romanian dezastru (borrowed)