Language Matters | Octopus word origin, the correct plural form, and the Chinese idiom that gave birth to the name of Hong Kong’s famous travel card

  • While the origins of the word ‘octopus’ are fairly straightforward, what isn’t so clear is the correct form of the plural – is it octopi, octopuses or octopodes?
  • Far-reaching influence or power, usually harmful or destructive, has been a figurative meaning associated with octopus, though such connotations are changing

In ancient Greek, the octopus was known as “polypous”, or “many-footed”, which was later borrowed into Latin as “polypus” (with forms in other languages). Photo: Getty Images

October is Octopus month, with World Octopus Day on October 8, of course.

The octo- in the name of the month and the cephalopod mollusc means “eight”, from the Greek ὀκτώ oktō. -Pus comes from the Greek πους pous, from the Proto-Indo-European root *ped, meaning “foot”.

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