Lexical Definition

‎καταπονέω‎ kataponéō (kat-ap-on-eh'-o) to oppress ^G:V
from ‎κατά‎ and a derivative of ‎πόνος‎

oppress, vex.

• to labor down, i.e. wear with toil (figuratively, harass)

Abbott-Smith

** κατα-πονέω, -ῶ, [in LXX: II Mac 8:2 (A), III Mac 2:2, 13*;]
to wear down, oppress, treat hardly: pass., Ac 7:24, II Pe 2:7.†

Abbott-Smith References

Liddell-Scott-Jones

καταπονέω-έω,

subdue, [Refs 1st c.BC+]: in future middle, [Refs 1st c.BC+]; worst in a lawsuit, [Refs 4th c.AD+] —passive, to be subdued, reduced, worn out, [Refs 4th c.BC+]; to be exhausted, [Refs 2nd c.AD+].

__2 handle roughly, crush, damage, [Refs 3rd c.BC+]; maltreat, oppress, especially in passive, ὑπὸ τῶν τυράννων, ὑπὸ τῶν τελωνῶν, [NT+4th c.BC+]
__3 digest food, [Refs 2nd c.AD+]
__II intransitive in perfect participle -πεπονηκώς ruinous, [Refs 6th c.AD+]

_{LSJ Scripture Refs: Acts.7.24}