Etymology of the English word headlight
the English word headlight
derived from the English word head
derived from the Proto-Germanic root *khaubuthan
derived from the Proto-Indo-European root *kaput- (head)
derived from the English word light
derived from the Proto-Indo-European root *leuk- (bright, white light)
derived from the Proto-Germanic root *lingkhtaz
derived from the Proto-Germanic root *linkhtijan