Strong's Definition
prol. feminine of 3990; opaqueness: -darkness.
STEPBible — Tyndale Abridged Hebrew Lexicon
מַאְפֵּלְיָה (ma.phe.le.yah) — darkness. deep darkness, darkness
UBS Dictionary of Biblical Hebrew
noun f · אָפֵל · אֹפֶל · אֲפֵלָה · מַאֲפֵל
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
מַאְפֵּלְיָה n.f. deep darkness—only Je 2:31 fig. of י׳ in dealing with his people ref