O.E.
bacan "to bake," from P.Gmc.
*bakanan (cf. O.N.
baka, M.Du.
backen, O.H.G.
bahhan), from PIE base
*bhog- "to warm, roast, bake" (cf. Gk.
phogein "to roast").
Baker is O.E.
bæcere. Bakery "place for making bread" is from 1857, replacing earlier
bakehouse; as "shop where baked goods are sold" it was noted 19c. as an Americanism.
Baker's dozen "thirteen" is from 1599.
"These dealers [hucksters] ... on purchasing their bread from the bakers, were privileged by law to receive thirteen batches for twelve, and this would seem to have been the extent of their profits. Hence the expression, still in us