latent period (latency)

https://doi.org/10.1351/goldbook.LT06829
  1. (in medicinal chemistry) Delay between exposure to a harmful substance and the manifestations of a disease or other adverse effects.
  2. Period from disease initiation to disease detection.
Source:
PAC, 2004, 76, 1033. 'Glossary of terms used in toxicokinetics (IUPAC Recommendations 2003)' on page 1055 (https://doi.org/10.1351/pac200476051033)