endunamoo describes becoming strong or being strengthened for faith, service, endurance, and action.

The attested use describes persons becoming strong or being strengthened: for faithful service, steadfast faith, proclamation, and the ability to act. The verses present this strengthening both as received by a person and, in active clauses, as given by a named helper.

1. Becoming or being made strong · dominant

   The term marks strengthening in varied settings: Saul is described as growing stronger while confounding opponents in Acts 9:22, and faith is the setting in which a person grew strong in Romans 4:20. In 1 Timothy 1:12 and 2 Timothy 4:17, the active forms identify one who strengthened the speaker for service and for preaching; in 2 Timothy 2:1, Ephesians 6:10, and Philippians 4:13, the clauses call for or describe strength received for grace, power, and doing all things.

   1 Timothy 1:122 Timothy 2:12 Timothy 4:17Acts 9:22Ephesians 6:10Philippians 4:13Romans 4:20

In the Anselm Project Bible: Across the occurrences, the APB commonly uses “strengthened” or “be strengthened,” while Acts 9:22 and Romans 4:20 use “grew stronger” and “grew strong.” These renderings confirm the verses' overall portrayal of increasing or received strength rather than establish separate meanings.