Etymograph

English

speedlight

From speed + light.

A compound of speed + light

Proto-Indo-European *speh₁- ‘to prosper’

…

Proto-West Germanic *spōan ‘to succeed’

Proto-West Germanic *spōdi ‘prosperity’

Old English spēd ‘success’

Middle English sped ‘prosperity’

English speed

Proto-Indo-European *lewk- ‘to shine’

…

Proto-Germanic *leuhtą

Proto-West Germanic *leuht ‘light’

Old English lēoht

Middle English light ‘light, illumination’

English light

Today it means

noun A flashgun that is not fixed to a camera.

Sources

Sources: Wiktionary, “speedlight”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / speedlight