Commentaries:
Robertson's Word Pictures (NT)
It is the Lord (o kuriov estin). John's quick insight appears again.
Girt his coat about him (ton ependuthn diezwsato). First aorist middle (indirect) indicative with which note diezwsen eauton in John 13:4. Apparently Peter threw on the upper garment or linen blouse (ependuthn) worn by fishers over his waistcloth and tucked it under his girdle.
Other Robertson's Word Pictures (NT) entries containing John 21:7:
John 13:4
John 13:23
John 20:2
2 Corinthians 5:2
James 2:15
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