'self-recovered' originates from the combination of 'self' and 'recover,' where 'self' refers to one's own person and 'recover' means to return to a normal state.

'self-recover' evolved from the Middle English word 'recoveren,' which came from the Old French 'recovrer,' and eventually became the modern English word 'recover.'

Initially, 'recover' meant 'to regain health or strength,' and this meaning has largely remained the same in modern usage.