Strongholds

From BiblePortal Wikipedia

Strongholds [1]

1: ὀχύρωμα (Strong'S #3794 — Noun Neuter — ochuroma — okh-oo'-ro-mah )

"a stronghold, fortress" (akin to ochuroo, "to make firm"), is used metaphorically in  2 Corinthians 10:4 , of those things in which mere human confidence is imposed.

References