two-
Prefix
- A prefix meaning "two" or "double", same as bi-.
- two-edged, two-faced, two-headed, two-tongued, two-way
- A prefix meaning "in two", "by two", "partially", or "half-way"
- two-blocks, two-cleft, two-forked, two-parted
Etymology
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-.
Derived terms
English words prefixed with two-