1) As a verb this was to find fault with.
1495 it is ordand that no man of the company sall mote another man, York. Later, in the textile trade, to pick motes out of wool, was to remove minute particles of dirt or other ‘offensive’ matter: 1789 my neighbour ... moited and sorted into four parcels of goode and bad wool one packe his uncle sent him, Slaithwaite
1819 ˝ a pack of wool moating, South Crosland. See lant for an earlier textile reference.