two
Cross references:
1. number
two \'tu:\ n [ME twa, two, adj., fr. OE twa- (fem. & neut.); akin to OE]
twe-gan two (masc.), tu- (neut.), OHG zwe-ne, L duo, Gk dyo 2: the second
in a set or series {the ~ of hearts} 3: a 2-dollar bill 4: something
having two units or members - two ajor ;pn
Webster's English Dictionary