δει 1163 5904 V-PQI-3S γαρ 1063 CONJ το 3588 T-NSN φθαρτον 5349 A-NSN τουτο 5124 D-NSN ενδυσασθαι 1746 5670 V-AMN αφθαρσιαν 861 N-ASF και 2532 CONJ το 3588 T-NSN θνητον 2349 A-NSN τουτο 5124 D-NSN ενδυσασθαι 1746 5670 V-AMN αθανασιαν 110 N-ASF
Vincent's NT Word Studies
53. This corruptible. As if pointing to his own body. Compare these hands, Acts xx. 34; this tabernacle, 2 Cor. v. 1.Put on (endusasqai) The metaphor of clothing. Compare 2 Corinthians v. 2-4. Incorruption and immortality are to invest the spiritually-embodied personality like a garment.
Robertson's NT Word Studies
15:53 {Must put on} (dei endusasqai). Aorist (ingressive) middle infinitive, put on as a garment. {Immortality} (aqanasian). Old word from aqanatos, undying, and that from a privative and qneskw, to die. In N.T. only here and #1Ti 6:16 where God is described as having immortality.