Lexical Definition

‎συνθρύπτω‎ synthrýptō (soon-throop'-to) to break ^G:V
from ‎σύν‎ and (to crumble)

break.

• to crush together, i.e. (figuratively) to dispirit

Abbott-Smith

*† συν-θρύπτω
to break in pieces, crush: metaph., τ. καρδίαν, Ac 21:13.†

Abbott-Smith References

Liddell-Scott-Jones

συνθρύπτω,

break in pieces: crush, τὴν καρδίαν [NT]

_{LSJ Scripture Refs: Acts.21.13}