to menace; by implication, to forbid Derivation: of uncertain derivation;
KJV Usage: threaten.
TBESG:
ἀπειλέω
to threaten
G:V
ἀπειλέω, -ῶ (ἀπειλή) [in LXX: Nam.1:4 (גָּעַר), Isa.66:14 (זָעַם), Sir.19:17, al. ;] to threaten: 1Pe.2:23; mid., Act.4:17 (see MM, VGT, see word, and cf. προσαπειλέω).† (AS)
Thayer:
1) to threaten, menace
ἀπειλέω
apeileō
ap-i-leh'-o
Of uncertain derivation; to menace; by implication to forbid