English
lightable
From light (“to illuminate, shine, ignite”, verb) + -able (“capable of”, suffix forming adjectives).
Formed from light ‘to illuminate, shine, ignite’ + -able ‘capable of’
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
adj Capable of being illuminated or made light or bright; able to affix with a light.
Language periods are conventional ranges, not dates for this word.
Etymograph / lightable