Lexical Definition

‎περίσσευμα‎ perísseuma (per-is'-syoo-mah) overflow ^G:N-N
from ‎περισσεύω‎

abundance, that was left, over and above.

• a surplus, or superabundance

Abbott-Smith

† περίσσευμα, -τος, τό (< περισσεύω), [in LXX: Ec 2:15*;]
that which is over and above, superfluity, abundance: opp. to ὑστέρημα (q.v.), II Co 8:13, 14; pl., Mk 8:8; metaph., π. τ. καρδίας, Mt 12:34, Lk 6:45 (cf. Ec 2:15; Plut., al.).†

Abbott-Smith References

Liddell-Scott-Jones

περίσσευμα-ευμα,

Attic dialect περίττευμα, ατος, τό, superfluity, [Refs 4th c.AD+]; that which remains over, κλασμάτων [NT]; abundance, opposed to ὑστέρημα, [NT]

__II ={περίσσευμαωμα}, excrement, [Refs 1st c.AD+]

_{LSJ Scripture Refs: Mark.8.8 ☩ 2Cor.8.14 ☩ Matt.12.34}