Baking

google

ref

Old English bacan, of Germanic origin; related to Dutch bakken and German backen .

wiktionary

ref

From Middle English bakynge; equivalent to bake +‎ -ing.

etymonline

ref

baking (n.)

late 14c., "process of making bread," verbal noun from bake (v.). Baking powder "yeast substitute" is from 1850.