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threefold

adjective

In Latin: triplus, triplex Wiktionary

adjective Definition from Wiktionary (CC BY-SA). More about threefold at Wordnik → Where our words come from →

  1. Three times as great.
  2. Triple. (clarification of this definition is needed)

adverb

  1. By a factor of three.

noun

  1. An algebraic variety of dimension 3.

verb

  1. To make threefold; to triple.

Origin

From Middle English threfold, from Old English þrīfeald. Equivalent to three + -fold.

From Wiktionary, via Kaikki.org (CC BY-SA)