Noah Webster's Dictionary (n.) A holding with the feet; firm standing; that on which one may tread or rest securely; footing.

Multi-Version Concordance Foothold (3 Occurrences) Ephesians 4:27 neither give place to the devil. (See NIV) Psalms 69:2 I sink in deep mire, where there is no foothold. I have come into deep waters, where the floods overflow me. (WEB NAS RSV NIV) Psalms 73:2 But as for me, my feet were almost gone. My steps had nearly slipped. (See NIV)