The Swedish term "dimma, tjocka" matches the English term "fog"

other swedish words that include "dimma" : english :
höljd i dimma fogbound
tjocka, dimma, imma, töcken mist
rökblandad dimma smog
other swedish words that include "tjocka" : english :
tjocka, dimma, imma, töcken mist
tjocka, tjock thick