English
goldthread
From gold + thread.
Proto-Indo-European *ǵʰelh₃- ‘green, yellow’
…
Proto-Germanic *gulþą ‘gold’
Proto-West Germanic *golþ
Old English gold ‘gold’
Middle English gold ‘gold’
English gold
Proto-Indo-European *terh₁- ‘rub’
Proto-Indo-European *treh₁-tu-s
Proto-Germanic *þrēduz ‘thread’
Old English þrǣd
Middle English thred
English thread
Today it means
noun Any of the genus Coptis of flowering plants in the family Ranunculaceae, native to Asia and North America.
Language periods are conventional ranges, not dates for this word.
Etymograph / goldthread