hobnail

[hob-neyl] /ˈhɒbˌneɪl/
noun
1.
a large-headed nail for protecting the soles of heavy boots and shoes.
2.
a small allover pattern consisting of small tufts, as on fabrics, or of small studs, as on glass.
Origin
1585-95; hob1 + nail
British Dictionary definitions for hobnail

hobnail

/ˈhɒbˌneɪl/
noun
1.
  1. a short nail with a large head for protecting the soles of heavy footwear
  2. (as modifier): hobnail boots
Derived Forms
hobnailed, adjective
Word Origin
C16: from hob1 (in the archaic sense: peg) + nail
Word Origin and History for hobnail
n.

1590s, the first element probably identical with hob "rounded peg or pin used as a mark or target in games" (1580s), of unknown origin. See hob. Because they were used to make rough shoes, the word was used figuratively for "rustic person" 17c. and after. Related: Hobnailed.