ChatGPT

The story

1. Middle Englishcheteren, chiteren (Imitative)
2. Middle Englishchateren
3. Englishchatterclip.
4. Englishchat
5. Proto-Indo-European*ǵenh₁-
6. Proto-Indo-European*ǵénh₁os
7. Proto-Italic*genos
8. Latingenus
9. Latingenero
10. Middle Englishgeneratyve
11. Englishgenerativeinit.
12. Proto-Indo-European*per-
13. Proto-Indo-European*preh₂-
14. Proto-Indo-European*préh₂i?
15. Proto-Italic*prai
16. Proto-Italic*prai-
17. Latinprae-
18. Middle Englishpre-
19. Englishpre-
20. Proto-Indo-European*dʰregʰ-der.?
21. Latintrahere
22. Vulgar Latin*tragīnāre
23. Old Frenchtraïner
24. Old Frenchtrain
25. Middle Englishtrayne
26. Englishtrain
27. Englishtrained
28. Englishpre-
29. Englishtrain
30. Englishpretrain
31. Englishpretrainedinit.
32. Proto-Indo-European*terh₂-
33. Proto-Indo-European*térh₂t
34. Proto-Indo-European*tr̥h₂ónts
35. Proto-Indo-European*tr̥h₂n̥ts
36. Proto-Italic*trāns
37. Proto-Italic*trāns-
38. Latintrāns-
39. Ancient Greekμορφή (morphḗ)der.?
40. Latinfōrma
41. Latinfōrmō
42. Latintransformo
43. Old Frenchtransformer
44. Middle Frenchtransfourmer
45. Middle Englishtransformen
46. Englishtransform
47. Englishtransformerinit.
48. EnglishGPT
49. English todayChatGPT

From chat + GPT (“generative pre-trained transformer”). First attested in 2022.

First known use, by meaning

• from late 2022 To use ChatGPT; to create or generate (something) with the help of ChatGPT.