1) An obsolete spelling of stud, that is the ornamental studs on a belt or girdle.
Used as a verb and noun: 1530 a gyrdell stothed with sylver, Clint
1538 Unto ... my doughter a ledder belt with syluer stothes, Thirsk
1543 my best girdle harnessed with a rede corse and xxxiiij stothes of siluer and gilte, Adel.
2) A stud, that is a short piece of timber, particularly such as were used for the uprights in a timber-framed house.
1284 ‘27 stodes, 14 ft in length’, Scarborough
1434-5 ‘for stothes … for the house’, Selby
1446 vj quercus … pro les stothes grangić et les screnes et ostiis, Beverley
1582 iiij plough heads iij stothes a molde borde balkes, South Cave
1658 severall deales and stoothes, Selby
1739 90 yards of stoothing for the petitions [sic for partitions] at 1s a yard, West Riding.