obnubilate /ɒbˈnjuːbɪleɪt 
/ ▸ verb [with object] literary darken or cover with or as if with a cloud; obscure: never to be short of illusions, to obnubilate himself: such was his dream.
– ORIGIN late 16th century: from Latin obnubilat- ‘covered with clouds or fog’, from the verb obnubilare.
EnglishOxford Dictionary of English
