Latent
/ˈleɪ.tənt/
noun
(forensics) The residue left by a person's finger that can be made visible by a process such as powder dusting; a latent fingerprint.
An underlying cause that can be inferred from statistical correlations; factor.
Anything that is latent.
adjective
Existing or present but concealed or inactive.
(of a virus) remaining in an inactive or hidden phase; dormant.
Lying dormant or hidden until circumstances are suitable for development or manifestation.