Lexical Definition

‎ψώχω‎ psṓchō (pso'-kho) to rub ^G:V
prolongation from the same base as ‎ψάλλω‎

rub.

• to triturate, i.e. (by analogy) to rub out (kernels from husks with the fingers or hand)

Abbott-Smith

† ψώχω (< ψώω, collat. form of ψάω, to rub)
to rub: Lk 6:1.†

Abbott-Smith References

Liddell-Scott-Jones

ψώχω,

(ψώω) rub small, ψ. τοὺς στάχυας ταῖς χερσί [NT+1st c.AD+]:—middle, [Refs 2nd c.BC+]

_{LSJ Scripture Refs: Luke.6.1}