-plex

Borrowed from Latin -plex (“-fold”).

• IPA^(key): /-plɛks/

• Audio (US):

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-plex

1. Comprising a number of parts, as in duplex.
2. (mathematics) ten to the power of the number, as in googolplex.

• -fold

From plicō (“I fold”) +‎ -s. Compare -plus.

• (Classical Latin) IPA^(key): /pleks/, [pɫ̪ɛks̠]
• (modern Italianate Ecclesiastical) IPA^(key): /pleks/, [plɛks]

-plex (genitive -plicis); third-declension one-termination suffix

1. Creates adjectives specifying the number of times, -fold

   *sem- (“one”) → simplex (“onefold, single, simple”)

   tri- (“three”) → triplex (“threefold”)

   quadri- (“four”) → quadruplex (“fourfold”)

   centum (“hundred”) → centiplex (“hundredfold”)

   multus (“many”) → multiplex (“manifold”)

Third-declension one-termination adjective.

• → English: -plex