Source: Time Traveler by Merriam-Webster
Time Traveler by Merriam-Webster lets you select a year, and it will then show you the words that were first used in print from that year. You can also type a word in to the search and see not only the definition, but also the year it was first used.
Be sure to subscribe to my YouTube channel and join your fellow educators on the Eduk8me email list!