English
electrogild
From electro- + gild.
Proto-Indo-European *ǵʰelh₃- ‘green, yellow’
…
Proto-Germanic *gulþijaną ‘to gild, cover with gold’
Proto-West Germanic *gulþijan ‘to gild, cover with gold’
Old English gyldan ‘to gild, to cover with a thin layer of gold’
Middle English gilden
English gild
Today it means
verb To electroplate with gold
Language periods are conventional ranges, not dates for this word.
Etymograph / electrogild