Inapparent
Inapparent is an adjective used to describe something that is not visible or not readily perceived; not obvious or evident to observers. It can refer to sensory information, signs or effects that are hidden, subtle, or beyond immediate notice. In everyday language the term is less common than synonyms such as hidden or inconspicuous, but it is regularly encountered in scientific and formal writing.
Etymology and usage: The word derives from in- "not" + apparent from Latin apparentem, from apparēre "to
Contexts and examples: In medicine, inapparent (or subclinical) infections are those that lack noticeable symptoms, yet