πλέθρον

Etymology
. Typically has been compared with the root of (< ) (cf.  and  (< ), in which case it could be from , though long  would be expected. However, the phonetic alternations in  and  suggest a more complicated origin. According to Beekes, it is probably a loanword.

The word may be cognate with 🇨🇬; if so, the original form must have begun with a labiovelar such as */kʷ/, rather than /p/ or /b/.

Noun

 * 1)  a plethron a unit of length equal to 100 Greek feet (podes
 * 2)  a plethron a unit of area equal to 10,000 square Greek feet (podes