A.T. Robertson Commentary Romans 15:32

"that I may come unto you in joy through the will of God, and together with you find rest." — Romans 15:32 (ASV)

That (ινα). Second use of ινα in this sentence, the first one sub-final (ινα ρυσθω), this one final with συναναπαυσωμα, first aorist middle subjunctive of the double compound verb συναναπαυομα, late verb to rest together with, to refresh (αναπαυω as in Mt 11:28) one's spirit with (συν), with the associative instrumental case υμιν (with you), only here in the N.T.