Lexical Definition

‎κατεφίστημι‎ katephístēmi (kat-ef-is'-tay-mee) to attack ^G:V
from ‎κατά‎ and ‎ἐφίστημι‎

make insurrection against.

• to stand over against, i.e. rush upon (assault)

Abbott-Smith

*† κατ-εφ-ίστημι,
to rise up against: Ac 18:12.†

Abbott-Smith References

Liddell-Scott-Jones

κατεφίστημι,

rise up against, in aorist active, κατεπέστησαν τῷ Παύλῳ [NT]

_{LSJ Scripture Refs: Acts.18.12}