For someone (actor -um-; s actor maN-) to look down at someone or something (loc ref -an), as to look at one's feet, at someone passing on a trail below.
Iyuhdung: focused item, the eyes, is unexpressed.
Iyuhdungmun umalin Bukkāhan.
You look down in calling Bukkāhan.
Umuhdung: focus is on one who looks down at an unknown object or objects.