tlhoDmoH        obscure (something) (v) (qep'a' 2016)

wa'Hu' jul tlhoDmoHmo' 'eng...
Because it was (sort of) cloudy yesterday... (qep'a' 2016)
("Because yesterday clouds somewhat obscured the sun")

SEE ALSO:

So'             hide, conceal

Huv             be clear, not obstructed
Dem             be clear, transparent, uncolored

chum            be colorful
nguv            be dyed, stained, tinted