half
noun
[ hɑːf ]
• either of two equal or corresponding parts into which something is or can be divided.
• "two and a half years"
Similar:
fifty per cent of,
bisection of,
half
predeterminer
• an amount equal to a half.
• "half an hour"
half
adverb
• to the extent of half.
• "the glass was half full"
Origin:
Old English half, healf, of Germanic origin; related to Dutch half and German halb (adjectives). The earliest meaning of the Germanic base was ‘side’, also a noun sense in Old English.