EINS' is the German word for 'ONE'%2C which is the first number in the term 'zwei halved'. ZWEI (4 letters) 'ZWEI' is the German word for 'TWO'%2C which is the second number in the term 'zwei halved'. The term 'zwei halved' is composed of TWO German words, 'eins' and 'zwei', which mean 'ONE' and 'TWO' respectively. The combination of these TWO words translates to 'TWO halved', indicating that the number TWO has been divided in half.