Þuhsian

According to the Old English Dictionary:

þux[s]ian;

þuhsian

p. ode To make misty, dark :-- Eall upheofon biþ sweart and gesworcen and swýðe geþuhsod (cf. Dóm. L. 8, 105, which has geþuxsað), deorc and dimhíw and dwolma sweart, Wulfst. 137, 9. [Cf. Icel. þoka fog, mist.] þuhsian