ἑδραίωμα hedraíōma

Meaning

a support, i.e. (figuratively) basis

In the King James Version: ground

Derivation: from a derivative of G1476 (ἑδραῖος);

Where it is used

• 1 Timothy 3:15 in case I am delayed, so that you will know how each one must conduct himself in God’s household, which is the church of the living God, the pillar and foundation of the truth.