A.T. Robertson Commentary Romans 14:9

"For to this end Christ died and lived [again], that he might be Lord of both the dead and the living." — Romans 14:9 (ASV)

And lived again (κα εζησεν). First ingressive aorist active indicative of ζαω, "he came to life."

Might be lord of (κυριευσε). Ingressive aorist active subjunctive of κυριευω, "become Lord of." Purpose clause with ινα (that). Old verb from κυριος, lord. See Lu 22:25; Romans 6:9.