'physician-approved' is a compound word combining 'physician' and 'approved'. 'Physician' originates from Old French 'fisicien', meaning 'doctor', and 'approved' comes from Old French 'aprover', meaning 'to prove or demonstrate'.

'Physician' evolved from the Old French 'fisicien', while 'approved' transformed from the Old French 'aprover'. Together, they form the modern English term 'physician-approved'.

Initially, 'physician' referred to a medical practitioner, and 'approved' meant 'to prove or demonstrate'. The compound term now signifies endorsement by a medical professional.