English
skywrite
From sky + write.
Proto-Germanic *skiwô ‘cloud cover, haze’
Proto-Germanic *skiwją ‘cloud; sky’
Old Norse ský ‘cloud; (plural) sky’
Middle English sky ‘sky; cloud’
English sky
Proto-Indo-European *wrey- ‘to rip’
Proto-Germanic *wrītaną ‘to carve’
Proto-West Germanic *wrītan ‘to scratch’
Old English wrītan ‘to write’
Middle English writen ‘to write’
English write
Today it means
verb To write a message in the sky using the trail of smoke from a moving airplane.
Language periods are conventional ranges, not dates for this word.
Etymograph / skywrite