The Greek verb gemizō (γεμίζω) means to fill or load something completely — to fill up to capacity. It is used of filling containers with water or food, loading a boat, and filling sponges. Related to gemō (to be full), it emphasizes the completeness and abundance of filling.
Gemizō appears in several key miracle narratives. At the wedding of Cana, the servants filled (gemizō) the water jars to the brim — and Jesus transformed that water into wine. The image of being filled to the brim speaks to God's abundant provision that does not fall short. In the feeding of the five thousand, the fragments filled twelve baskets. God's provision is not rationed or partial but gemizō — filled to overflowing. Paul's prayer that believers be filled to 'all the fullness of God' (Ephesians 3:19) carries this same sense.