John 20:31 ταῦτα δὲ γέγραπται ἵνα |πιστεύητε| ὅτι Ἰησοῦς ἐστιν ὁ χριστὸς ὁ υἱὸς τοῦ θεοῦ, καὶ ἵνα πιστεύοντες ζωὴν ἔχητε ἐν τῷ ὀνόματι αὐτοῦ.
What name is John referring to in this verse?
I would say "Jesus the Messiah"
However 'Let etymology create a path"
CHRIST Meaning: "the Anointed," synonymous with and translating to Greek Hebrew mashiah (see messiah), a title… See origin and meaning of christ.
the Anointed," synonymous with and translating to Greek Hebrew mashiah (see messiah
), a title given to Jesus of Nazareth; Old English crist (by 830, perhaps 675), from Latin Christus, from Greek khristos "the anointed," noun use of verbal adjective of khriein "to rub, anoint" (from PIE root *ghrei-
In the primitive Church it was a title, and used with the definite article, but from an early period it was used without it and regarded as part of the proper name of Jesus.
It was treated as a proper name in Old English, but not regularly capitalized until 17c. Pronunciation with long -i- is result of Irish missionary work in England, 7c.-8c. The ch- form, regular since c. 1500 in English, was rare before. Capitalization of the word begins 14c. but is not fixed until 17c. The Latin term drove out Old English Hæland "healer, savior," as the preferred descriptive term for Jesus.