'clinically-approved' originates from the combination of 'clinical' and 'approved', where 'clinical' is derived from the Greek word 'klinein', meaning 'to lean' or 'to recline', and 'approved' comes from the Latin word 'approbare', meaning 'to assent to'.

'clinically-approved' evolved from the need to describe medical products or procedures that have passed clinical trials and received official approval.

Initially, it meant 'approved in a clinical setting', but over time it evolved to mean 'officially approved after clinical trials'.