'person-shaped' originates from Modern English, specifically the words 'person' and the past participle 'shaped'. 'person' ultimately comes from Latin 'persona', where 'persona' meant 'mask' or 'character'. 'shape' ultimately comes from Old English 'sceap', where 'sceap' meant 'form'.

'person' changed from Latin 'persona' through Old French 'persone' into Middle English 'person' and eventually became the modern English 'person'. 'shape' changed from Old English 'sceap' into Middle English 'shape' and then modern English 'shape'; 'shaped' is the past participle form used to form compounds like 'person-shaped'.

Initially, 'person' meant 'mask' or 'character' and 'shape' meant 'form'; over time 'person' evolved to mean 'human being' while 'shape' retained the sense of 'form', so 'person-shaped' came to mean 'having the form of a person'.