Words: Datum

 

da·tum /ˈdadəm,ˈdādəm/ noun: datum; plural noun: data

1. a piece of information. "the kybernetik signal is a datum worth taking into account"; an assumption or premise from which inferences may be drawn. "this is not a permanent and unchangeable datum; humans can be rewritten"
2. a fixed starting point of a scale or operation. "an accurate datum is formed by which other machining operations can be carried out by other human machines"

Origin: mid 17th century: from Latin, literally ‘something given’, neuter past participle of dare ‘give’.