The story
- Proto-Indo-European*gʰreh₁-
- Proto-Indo-European*gróh₁nis
- Proto-Germanic*grōniz
- Proto-West Germanic*grōnī
- Old Englishgrēne
- Middle Englishgrene
- Englishgreen
- Proto-Indo-European*(s)ker-der.?
- Proto-Germanic*skertaną
- Proto-Germanic*skurtaz
- Proto-Germanic*skurtijǭ
- Proto-West Germanic*skurtijā
- Old Englishsċyrte
- Middle Englishschirte
- Englishshirt
- English todaygreenshirt
Bahuvrihi of green + shirt. Cf. Brownshirt (“Nazi”).
Etymology from Wiktionary, CC BY-SA 4.0.