Vincent's NT Word Studies
34. Meat (brwma). A different word from that in ver. 32, signifying what is eaten.To do (ina poiw). Literally, in order that I do. Emphasizing the end and not the process. Frequently so used in John. See on iii. 19.
Finish (peleiwsw). Better, as Rev., accomplish. Not merely bring to an end, but perfect. From teleiov, perfect. The verb is characteristic of John, and of the Epistle to the Hebrews. See v. 36; xvii. 4; xix. 28; 1 John ii. 5; iv. 12; Heb. ii. 10; v. 9, etc.