two-

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English[edit]

Etymology[edit]

Partly from two, and partly from an alteration (due to two) of twi- ‎(two-, double-, in two), from Middle English twi-, from Old English twi- ‎(two-). More at twi-.

Prefix[edit]

two-

  1. A prefix meaning "two" or "double", same as bi-.
    two-edged, two-faced, two-headed, two-tongued, two-way
  2. A prefix meaning "in two", "by two", "partially", or "half-way"
    two-blocks, two-cleft, two-forked, two-parted

Derived terms[edit]