sum
‘the amount, whole of a thing, substance, total, summary, fulness’
Lexical development traced from the Tamil root:
E. sowme, svmme, somme, summe < A.F., O.F. summe, somme ‘amount, total, collection’essential point, summing up, conclusion’ < M.F. somme < Lat. summa ‘the top, summit, chief place, highest rank, main thing, chief point, essence, an amount (of money)’ < summus ‘highest, uppermost’ < sup-mos- < suh < uper < Tamil uppu