English

guidelight

From guide + light.

A compound of guide + light

Proto-Indo-European *weyd- ‘to see’

…

Old Occitan guidar

Old Occitan guida

Old French guide ‘a guide’

Middle English guide

English guide

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 light that serves to guide.

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

Etymograph / guidelight