🛠️ Invention or technique

Garos and garum (fermented fish sauce)

Garo y garum (salsa de pescado fermentada)

Date
c. 500 BCE · confidence low
Place
Gadir (Cádiz), Andalusia, Spain
Credited to
Phoenicians, Greeks and Romans
Field
Life & health

⚠️ Disputed: the sources disagree.

What it is

A liquid sauce of fish and fish viscera fermented in salt in the sun, a basic seasoning of the ancient Mediterranean. The salting factories of the Andalusian Atlantic coast produced it commercially and exported it in amphorae.

The Greek term garos appears in a fragment of Aeschylus (5th century BC); Phoenician-Punic industrial production at Gadir and the Roman kind (garum sociorum) are later or poorly dated. Fermented fish sauces arose independently in Southeast Asia.

What it led to

  • the salting industry of the Mediterranean and Baetica
  • trade in garum amphorae across the Roman Empire
  • Asian fish sauces and ketchup (kê-tsiap) by convergence
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Sources✓ verified 2026-11-04