abba

ἀββά is an Aramaic loanword transliterated into Greek, the emphatic-state form of the noun אב, "father." By the Aramaic of the first century this ending had lost most of its determining force and had become the default form of the noun, and because Aramaic has no separate vocative case it also served as the ordinary way to say "O Father." The Greek ὁ πατήρ that follows it mirrors this exactly, an articular nominative used for the vocative that Moulton documented across the Greek New Testament. All three occurrences (Mark 14:36; Romans 8:15; Galatians 4:6) present the identical fixed doublet ἀββὰ ὁ πατήρ, which BDAG describes as the prayer-language of bilingual Christianity. Joachim Jeremias argued that the word originated as a small child's babbling and that Jesus' use of it was an intimacy unparalleled in Judaism; James Barr's 1988 article dismantled the philological basis for this, showing it was the normal adult word for father (adult speakers used it of their own fathers, and the New Testament writers glossed it with the fully adult ὁ πατήρ rather than any of the available Greek nursery words). Barr's conclusion has been confirmed by Schelbert (EDNT and his monograph), Fitzmyer, Sokoloff, D'Angelo, and Vermes. Jewish sources of the period (Sirach 23:1 and 51:10, Wisdom, 3 Maccabees, 4Q372, and the tannaitic "our Father in heaven") show that addressing God as Father was already Jewish, so the older contrast between Christian intimacy and Jewish distance has been rejected. The Septuagint never uses ἀββά, rendering Hebrew forms of "father" with πατήρ; the Aramaic transliteration is a peculiarly early-Christian phenomenon, preserved because it was Jesus' own prayer-word and echoed by Paul as a fixed liturgical cry. Most scholars still accept Jeremias's other claim, that the coincidence of one Markan and two Pauline witnesses in Greek-speaking congregations points back to Jesus' own practice.