kweit- / Indo-European roots
White; to shine.Oldest form *k̑weit-, becoming *kweit- in centum languages.
1. Suffixed variant form *kweid-o-.
a. white; Whitsunday from Old English hwīt, white;
b. witloof from Middle Dutch wit, white;
c. whiting2 from Middle Dutch wijting, whiting;
d. (i) edelweiss from Old High German hwīz, wīz, white; (ii) bismuth from obsolete German Bismuth, Wismuth, perhaps obscurely related to Old High German wīz, white. a-d all from Germanic *hwītaz..
2. Suffixed o-grade variant form *kwoid-yo-. wheat from Old English hwǣte, wheat (from the fine white flour it yields), from Germanic *hwaitjaz.
[Pokorny 3. k̑u̯ei- 628.]