This question came to me this morning. It’s a very old crux in Eph. 4:11.
Eph. 2:20 ἐποικοδομηθέντες ἐπὶ τῷ θεμελίῳ τῶν ἀποστόλων καὶ προφητῶν, ὄντος ἀκρογωνιαίου αὐτοῦ Χριστοῦ Ἰησοῦ,
Eph. 4:11 Καὶ αὐτὸς ἔδωκεν τοὺς μὲν ἀποστόλους, τοὺς δὲ προφήτας, τοὺς δὲ εὐαγγελιστάς, > τοὺς δὲ ποιμένας καὶ διδασκάλους> ,
Compare Wuest with Smyth, Robertson and Cooper. They are not saying the same thing.
Kenneth Samuel Wuest, the former Teacher Emeritus of New Testament Greek, The Moody Bible Institute, Chicago, Illinois, explains the reason the Greek structure of this phrase, “pastors and teachers,” must be translated as “teaching-pastors” or “pastor-teachers.”
“The rule is as follows: When two nouns in the same case are connected by the Greek word ‘and,’ and the first noun is preceded by the article ‘the,’ and the second noun is not preceded by the article, > the second noun refers to the same person or thing to which the first noun refers> , and is a farther description of it. For instance, the words ‘pastors’ and ‘teachers’ in Ephesians 4:11 are in the same case and are connected by the word ‘and.’ The word ‘pastors,’ is preceded by the article ‘the,’ whereas the word ‘teachers’ is not. This construction requires us to understand that the word ‘pastors’ and ‘teachers’ is a farther description of the individual called a ‘pastor.’ The expression therefore refers to pastors who are also teachers, ‘teaching-pastors.’” (Treasures from the Greek New Testament)
H.W. Smyth
Smyth § 1143 who states:
1143. A single article, used with the first of two or more nouns connected by and, produces the effect of a single notion: οἱ στρατηγοὶ καὶ λοχᾱγοί the generals and captains (the commanding officers) X. A. 2. 2. 8, τὰς μεγίστᾱς καὶ ἐλαχίστᾱς ναῦς the largest and the smallest ships (the whole fleet) T. 1. 10, ἡ τῶν πολλῶν διαβολή τε καὶ φθόνος the calumniations and envy of the multitude P. A. 28 a. Rarely when the substantives are of different genders: περὶ τὰς ἑαυτῶν ψῡχὰς καὶ σώματα concerning their own lives and persons X. A. 3. 2. 20.
A. T. Robertson p. 787
- Groups Treated as One. Sometimes groups more or less dis-
tinct are treated as one for the purpose in hand, and hence use
only one article. Cfτὰς φίλας καὶ γείτονας (Lu. 15:9), τοὺς νομικοὺς
καὶ Φαρισαίους (14:3), τὰ πλατείας καὶ ῥύμας (14:21), τῶν πρεσβυτέρων
καὶ γραμματέων (Mk. 15:1), τῶν Ἐπικουρίων καὶ Στωκῶν (Ac. 17:
18), τῶν Φαρισαίων καὶ Σαδδουκαίων (Ac. 23:7), τῶν ποστόλων καὶ
προφητῶν (Eph. 2:20), τῇ πολογίᾳ καὶ βεβαιώσει τοῦ εὐαγγελίου
(Ph. 1:7), τὸ πλάτος καὶ μῆκος καὶ βάθος καὶ ὕψος (Eph. 3:18), τὴν
κλῆσιν καὶ ἐκλογήν (2 Pet. 1:10). Cf. τήν in Tit. 2:13. So in Mt.
17:1 (W. H. text) we have τὸν Πέτρον καὶ Ἰάκωβον καὶ Ἰωάνην, where
the three are one group. This is probably more frequent in ex-
amples where a genitive occurs also, or some other attribute.2
So Ph. 1:20 τὴν ποκαραδοκίαν καὶ ἐλπίδα μου, 1:19 τῆς ὑμῶν δεήσεως
καὶ ἐπιχορηρίας τοῦ πνεύματος, 2:17 τῇ θυσίᾳ καὶ λειτουργίᾳ τῆς
πίστεως. Cf. also 1 Th. 2:12; 3:7; Mt. 24:3; Ro. 1:20; Col. 2:8; Eph.
3:5; 2 Cor. 1:6; 1 Pet. 2:25; Ph. 1:25. These are all the simplest
and clearest illustrations.
Guy Cooper Attic Greek Prose Syntax vol 2, §58.2.1.B (not on the internet)
When substances are held closely parallel by conjunctions they usually have the same relationship to the rest of the sentence. [article used with each substantive] However, such closely parallel substantives may also fuse into an organic whole presenting one organic idea. The article may be used with only the first substantive and this article extends its force over the whole complex.
… οἱ στρατηγοὶ καὶ λοχᾱγοί X. A. 2. 2. 8 (> the generals and captains > They are thus distinguished as the officers’ corps from the private soldiers. In the military technical language in Xe. names of military classes often take on the character of proper names so that they are used freely without articles even when we might rather expect them.)