English
Greenist
From green + -ist.
Formed from green + -ist
Proto-Indo-European *gʰreh₁- ‘to grow’
…
Proto-Germanic *grōniz
Proto-West Germanic *grōnī
Old English grēne
Middle English grene
English green
Today it means
noun A supporter of a green party.
Language periods are conventional ranges, not dates for this word.
Etymograph / Greenist