Etymograph

English

sidehead

From side + head.

A compound of side + head

Proto-Germanic *sīdaz ‘drooping’

Proto-Germanic *sīdǭ ‘side’

Old English sīde ‘side’

Middle English side

English side

Proto-Indo-European *kap- ‘head’

…

Proto-Germanic *haubudą ‘head’

Proto-West Germanic *haubud

Old English hēafod ‘head’

Middle English heed ‘head’

English head

Today it means

noun A subheading placed at or in the margin of printed matter.

Language periods are conventional ranges, not dates for this word.

Etymograph / sidehead