ŏpĭfer — Lewis & Short
ŏpĭfer, ĕra, ĕrum, adj.ops-fero,
I aidbringing, helping (poet. and in post-Aug. prose):
deus,Ov. M. 15, 653:
FORTVNA,Inscr. Orell. 1753.—Of things:
folia,Plin. 16, 13, 24, § 64: fidem opiferam sociūm advocant, Enn. ap. Non. 144, 14 (p. 109, v. 165 Vahl.).