The earliest possible date for something.
- ‘It should be remembered that a dated artefact only provides a terminus post quem for the context in which it is found.’
- ‘Snow also offers a rough date for the letter, using internal evidence to suggest a terminus post quem of 1599.’
- ‘The above mentioned cases do cast a shadow of doubt about having a terminus post quem of 1617 for marked panels.’
- ‘This yielded a terminus post quem for the deposition of other sherds belonging to that vessel.’
- ‘The latest ceramic material in these three groups, for each of which there was an appreciable amount of pottery evidence, provides a terminus post quem for the associated construction.’
Latin, literally end after which.