murex

Etymology

It is borrowed from Latin mūrex, plural mūricēs, a shellfish that yields a purple dye, and also the dye itself;^[2][3][4][5] the American Heritage Dictionary and Merriam-Webster Unabridged take it through New Latin, as the name of the genus.^[6][7] The OED compares Old French murique (1265) and French murex (1505), both naming the shellfish.^[2] The Latin word is of uncertain origin.^[2][8] Many dictionaries relate it to Ancient Greek μύαξ (múax, “sea mussel”),^{[3][7][9][10][11][12]} The OED notes that the connection was proposed by Ernout and Meillet, and that Chantraine rejected it because the two molluscs are not at all alike.^[2] Etymonline suggests that the Greek word may be related to μῦς (mûs, “mouse”),^[3] and Merriam-Webster Unabridged links the Latin word itself with mūs (“mouse”).^[7] The American Heritage Dictionary and Klein think it is probably of pre-Roman Mediterranean origin.^[6][8]

Earliest recorded meaning

A spiny-shelled sea snail that yields a purple dye: 1589, in Robert Greene's Ciceronis Amor;^[2][7] Etymonline and Dictionary.com date it to the 1580s.^[3][5]

Semantic evolution

The word came into English for the shellfish from which the ancients obtained Tyrian purple, the dye that was a mark of royal and imperial rank.^[2][7][10] Later zoologists used Murex as the name of a genus of spiny-shelled gastropods, and murex for any of them.^[7][2] Browning's poem "Popularity" asks "Who fished the murex up?".^[12] At the end of the 19th century the word was also used, chiefly in poetry, for the crimson dye and its colour,^[2] and Merriam-Webster Unabridged records it for a shell blown as a trumpet.^[7]

Timeline

• 1589 – a predatory sea snail with a spiny shell, the source of a purple dye.^[2][7]
• before 1897 – chiefly in poetry, the deep crimson dye from such shellfish, or its colour.^[2]

Meanings

Noun

1. Any of various predatory marine gastropods of the genus Murex or the family Muricidae, with rough, spiny shells, formerly the chief source of Tyrian purple.^[7][9][2]
2. (chiefly poetic) The deep crimson dye obtained from these shellfish, or its colour.^[2]
3. A murex shell used as a trumpet.^[7]

References

1. ^ Wiktionary, the free dictionary, https://en.wiktionary.org
2. ^ a b c d e f g h i j k l Oxford English Dictionary Online (accessed March 2026), Oxford: Oxford University Press
3. ^ a b c d Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
4. ^ Hoad, T. F., ed. (1986), The Concise Oxford Dictionary of English Etymology, Oxford: Clarendon Press
5. ^ a b Dictionary.com Unabridged (2016), based on the Random House Unabridged Dictionary, New York: Random House
6. ^ a b The American Heritage Dictionary of the English Language (online 2024), 5th ed., Boston: Houghton Mifflin Harcourt
7. ^ a b c d e f g h i j Merriam-Webster Unabridged Dictionary (2024), online ed., Springfield, Mass.: Merriam-Webster
8. ^ a b Klein, Ernest. A Comprehensive Etymological Dictionary of the English Language. 2 vols. Amsterdam: Elsevier, 1966–1967.
9. ^ a b Collins English Dictionary (2023), Glasgow: HarperCollins
10. ^ a b Shorter Oxford English Dictionary on Historical Principles (2002), 5th ed., ed. William R. Trumble and Angus Stevenson, Oxford: Oxford University Press
11. ^ Stevenson, Angus, ed. (2010), Oxford Dictionary of English, 3rd ed., Oxford: Oxford University Press
12. ^ a b Weekley, Ernest (1921), An Etymological Dictionary of Modern English, London: John Murray