An Etymological Dictionary of Astronomy and Astrophysics

1. Any real or complex numeral quantity.
   
2. The sum, total, count, or aggregate of a collection of units.

Etymology (EN): From M.E. nombre, from O.Fr. nombre, from L. numerus “a number, quantity,” from PIE base *nem- “to divide, distribute, allot.”

Etymology (PE): Adad, loan from Ar.
Šomâr, šomâré, noun from šomârdan “to count, reckon, calculate, enumerate, account for,” from Mid.Pers. ôšmârtan; Av. base (š)mar- “to have in mind, remember, recall,” pati-šmar- “to recall; to long for,” hišmar-; cf. Skt. smar- “to remember, become aware,” smarati “he remembers;” L. memor, memoria; Gk. mermera “care,” merimna “anxious thought, sorrow,” martyr “witness.”