出典:Wiktionary
From Middle English ungrene, from 古期英語 ungrēne (“not green”), from Proto-West Germanic *ungrōnī (“not green”), equivalent to un- + green. Compare West Frisian ûngrien (“ungreen”), Dutch ongroen (“ungreen”), German ungrün (“not green”), Danish ugrøn (“ungreen”), Swedish ogrön (“ungreen”), Icelandic ógræn (“ungreen”).
ungreen (not comparable)
ungreen (三人称単数 現在形 ungreens, 現在分詞 ungreening, 過去形および過去分詞形 ungreened)