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Span (unit)
A span is the distance measured by a human hand, from the tip of the thumb to the tip of the little finger. In ancient times, a span was considered to be half a cubit. Sometimes the distinction is made between the great span (thumb to little finger) and little span (index finger to little finger).
==History==
Ancient Greek texts show that the span was used as a fixed measure in ancient Greece since at least archaic period. The word ''spithame'' (Greek: "σπιθαμή"), "span",〔(σπιθαμή ), Henry George Liddell, Robert Scott, ''A Greek-English Lexicon'', on Perseus Digital Library〕 is attested in the work of Herodotus〔Herodotus, ''The Histories'', 2.106, on (Perseus Digital Library )〕 in the 5th century BC; however, the span was used in Greece long before that, since the word ''trispithamos'' (Greek: "τρισπίθαμος"), "three spans long",〔(τρισπίθαμος ), Henry George Liddell, Robert Scott, ''A Greek-English Lexicon'', on Perseus Digital Library〕 occurs as early as the 8th century BC in Hesiod.〔
Hesiod, ''Works and Days'', 426, on (Perseus Digital Library )〕
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