The term “patch”, meaning a software update, originates from the days when computer code was written on physical cards with holes punched in them. If there was a change in the code, you would “patch” that section of the card with a piece of tape, covering it, and if necessary, changing it.
Patch (computing) A program tape for the 1944 Harvard Mark I, one of the first digital computers. Note physical patches used to correct punched holes by covering them. Historically, software suppliers distributed patches on paper tape or on punched cards, expecting the recipient to cut out the indicated part of the original tape (or deck), […]