ὀχύρωμαochýrōma

a castle (figuratively, argument)

Greek (New Testament) · G3794

Meanings

a stronghold, fortress (Psalms 89:40, Nahum 3:12, Nahum 3:14 and elsewhere); in LXX and NT, also metaphorically of that in which confidence is placed (Proverbs 10:29, Proverbs 21:22, and elsewhere): 2 Corinthians 10:4.

Same root

ἔχωéchō · G2192to hold (used in very various applications, literally or figuratively, direct or remote; such as possession; ability, contiuity, relation, or condition)

Where it appears

Appears 1 times in the Bible.

2 Corinthians 10:4 We use God’s mighty weapons, not worldly weapons, to knock down the strongholds of human reasoning and to destroy false arguments.

Source: G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922), public domain.