Question: Where did the traditional heart shape come from?
Disambiguated questions and answers: question: Where did the traditional heart shape come from with respect to the Indus Valley Civilisation?
Where did the traditional heart shape come from in the 6th-5th century BC?
Where did the traditional heart shape metaphor for love come from?
What is the first depiction of the traditional heart shape for love?
answer: Heart-shaped peepal leaves were used in artistic depictions
the heart-shaped fruit of the plant Silphium
end of the Middle Ages
occurs in a miniature decorating a capital 'S' in a manuscript of the French Roman de la poire
Natural Questions answer: Europe (from the Wikipedia article "Heart (symbol)")