Schmuck 'ornament, decoration, jewels' (English smock is cognate with the German word

in the case of the english smock, ornament is definately part of the sense of the word.

now days we think of a smock as something like a lab coat or house dress.. but smocks get there name from smocking (a kind of ornamental embroidery.)

trades of all kinds wore smocks. Yowmen would wear smocks.

a smock is made by taking squares and rectangle of cloth, gathering them, embroidering the gathers with a zigzag stitch (and perhaps ornamental embroidery as well) and joining the peices. the result is a short coat that fits close around the shoulders but has a full body, and -a very elastic yoke and upper sleeve, that would not rip under stress, but would stretch.

smocking is very elastic, and a coat make of smocking would fit comfortable close to the shoulders, and upper arms, (and at the cuffs of the sleeves) but the material would be elastic, allowing for a free range of movement. smocked pockets would have 'snug tops' which would help secure the contents.

workmen would wear smocks as badges of office almost. smocks were a compromise between the tailored clothing of the rich (which wasn't really suitable for work) and the shapeless (often knit) clothing of the very poor. (see the 'garb/habit' of franciscan monks)

some nuns habits had 'plain' smocking (black on black) in the day when nuns all wore traditional habits (Ursulines had smocking on there sleeves, and on the yoke of the dress)