from The Century Dictionary and Cyclopedia
- n. A fellow-workman or a fellow-clerk or -attendant in a shop.
Sorry, no etymologies found.
Give our respects and remembrance to my Father, tell Isaac I have not happened to have a musical shopmate for some years past, I have therefore made no progress that way, my love to his wife and little ones; and I remain your affectionate and dutiful Son
Brother infects sister, and sister brother; parent child, and child parent; shopman shopmate.
 The shopmate, William Manning, preserved this signboard.
"So, so, Peter," thought I, "as you know not your old shopmate, why should I disturb your humming?"
Charles Jones's brother lent a shopmate his great coat, on a particular occasion.
It appeared that a shopmate had been in the habit of tormenting and annoying Batome for a long time; on this occasion Batome Avas pushed over some machinery where he was working, and when he arose he struck his assailant on the head with a short piece of iron.