French héler

← Old English hǣl (cognate)

← Old English hǣlu (mention)

← English whole (link)

← Middle English heilen (mention)

← Middle English hail (mention)

← Middle English heil (mention)

← Middle French heiler (mention)

← Proto-Germanic *hailzą (mention)

← Proto-Germanic *hailijō (mention)

← Proto-Germanic *hailaz (mention)

← Proto-Indo-European *koil- (mention)

← Old Norse heill (mention)

→ French hélas (mention)

→ Haitian Creole rele (borrowed)