'omega-3-linked' originates from the term 'omega-3', which refers to a type of polyunsaturated fatty acid, and 'linked', meaning connected or associated.

The term 'omega-3' was derived from the Greek letter 'omega' (ω), indicating the position of the first double bond in the fatty acid chain, and 'linked' from Old English 'hlincian', meaning to connect.

Initially, 'omega-3' referred specifically to the chemical structure of the fatty acid, but over time it evolved to include health benefits associated with these acids.