Fromcloud +-en.
clouden (third-person singular simple presentcloudens,present participlecloudening,simple past and past participlecloudened)
- (ambitransitive, sometimes figurative) To make or becomecloudy orclouded.
1804, William Fordyce Mavor,Universal History, Ancient and Modern:[…] but this served only to deprave his faculties, and toclouden his reason.
1951,Burma Weekly Bulletin, page 3:Brothers and Sisters, just as I have confidence in the ultimate good of my country, so also have I faith in the Indi., greater to be, free from all tensions and uncertainties whichcloudened her political horizon recently.