Source: https://bibeltext.com/greek/3748.htm
Timestamp: 2019-04-19 17:08:12+00:00

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1. whoever, everyone who: ὅστις simply, in the singular chiefly at the beginning of a sentence in general propositions, especially in Matt.; with an indicative present, Matthew 13:12 (twice); Mark 8:34 (where L Tr WH εἰ τίς); Luke 14:27; neuter Matthew 18:28 Rec.; with a future, Matthew 5:39 (R G Tr marginal reading), ; , etc.; James 2:10 R G; plural οἵτινες, whosoever (all those who): with indicative present, Mark 4:20; Luke 8:15; Galatians 5:4; with indicative aorist, Revelation 1:7; Revelation 2:24; Revelation 20:4; πᾶς ὅστις, with indicative present Matthew 7:24; with future Matthew 10:32; ὅστις with subjunctive (where ἄν is lacking very rarely (cf. Winers Grammar, § 42, 3 (especially at the end); Buttmann, § 139, 31)) aorist (having the force of the future perfect in Latin), Matthew 18:4 Rec.; James 2:10 L T Tr WH. ὅστις ἄν with subjunctive aorist (Latin future perfect), Matthew 10:33 (R G T); ; with subjunctive present Galatians 5:10 (ἐάν T Tr WH); neuter with subjunctive aorist, Luke 10:35; John 14:13 (Tr marginal reading WH marginal reading present subjunctive); (Tr marginal reading WH marginal reading present subjunctive); with subjunctive present, John 2:5; 1 Corinthians 16:2 (Tr WH ἐάν; WH marginal reading aorist subjunctive); ὁ ἐάν τί for ὁ, τί ἄν with subjunctive aorist Ephesians 6:8 (R G); πᾶν ὁ, τί ἄν or ἐάν with subjunctive present, Colossians 3:17, 23 (Rec.; cf. Buttmann, § 139, 19; Winer's Grammar, § 42, 3).
2. it refers to a single person or thing, but so that regard is had to a general notion or class to which this individual person or thing belongs, and thus it indicates quality: one who, such a one as, of such a nature that (cf. Kühner, § 554 Anm. 1, ii., p. 905; (Jelf, § 816, 5); Lücke on 1 John 1:2, p. 210f): ἡγούμενος, ὅστις ποιμανεῖ, Matthew 2:6; add, Matthew 7:26; Matthew 13:52; Matthew 16:28; Matthew 20:1; Matthew 25:1; Mark 15:7; Luke 2:10; Luke 7:37; Luke 8:3; John 8:25; John 21:25 (Tdf. omits the verse); Acts 11:28; Acts 16:12; Acts 24:1; Romans 11:4; 1 Corinthians 5:1; 1 Corinthians 7:13 (Tdf. εἰ τίς); Galatians 4:24, 26; Galatians 5:19; Philippians 2:20; Colossians 2:23; 2 Timothy 1:5; Hebrews 2:3; Hebrews 8:5; Hebrews 10:11; Hebrews 12:5; James 4:14; 1 John 1:2; Revelation 1:12; Revelation 9:4; Revelation 17:12; ὁ ναός τοῦ Θεοῦ ἅγιος ἐστιν, οἵτινες ἐστε ὑμεῖς (where οἵτινες makes reference to ἅγιος) and such are ye, 1 Corinthians 3:17 (some refer it to ναός).
3. Akin to the last usage is thai whereby it serves to give a reason, such as equivalent to seeing that he, inasmuch as he: Romans 16:12 (here Lachmann brackets the clause); Ephesians 3:13; (Colossians 3:5); Hebrews 8:6; plural, Matthew 7:15; Acts 10:47; Acts 17:11; Romans 1:25, 32; Romans 2:15; Romans 6:2; Romans 9:4; Romans 16:7; 2 Corinthians 8:10; (Philippians 4:3 (where see Lightfoot)); 1 Timothy 1:4; Titus 1:11; 1 Peter 2:11.
4. According to a later Greek usage it is put for the interrogative τίς in direct questions (cf. Lob. ad Phryn., p. 57; Lachmann, larger edition, vol. i., p. xliii; Buttmann, 253 (218); cf. Winer's Grammar, 167 (158)); thus in the N. T. the neuter ὁ, τί stands for τί equivalent to διά τί in Mark 2:16 T Tr WH (cf. 7 WH marginal reading); (Jeremiah 2:36; 1 Chronicles 17:6 — for which in the parallel, 2 Samuel 7:7, ἵνα τί appears; Epistle of Barnabas 7, 9 [ET] ((where see Müller); cf. Tdf. Proleg., p. 125; Evang. Nicod. pars i. A. 14:3 p. 245 and note; cf. also Sophocles' Lexicon, under the word, 4)); many interpreters bring in John 8:25 here; but respecting it see ἀρχή, 1 b.
5. It differs scarcely at all from the simple relative ὅς (cf. Matthiae, p. 1073; Buttmann, § 127, 18; (Krüger, § 51, 8; Ellicott on Galatians 4:24; cf. Jebb in Vincent and Dickson's Handbook. to Modern Greek, Appendix, § 24); but cf. C. F. A. Fritzsche in Fritzschiorum opuscc., p. 182f, who stoutly denies it): Luke 2:4; Luke 9:30; Acts 17:10; Acts 23:14; Acts 28:18; Ephesians 1:23.
Including the feminine hetis (hay'-tis), and the neuter ho,ti (hot'-ee) from hos and tis; which some, i.e. Any that; also (definite) which same -- X and (they), (such) as, (they) that, in that they, what(-soever), whereas ye, (they) which, who(-soever). Compare hoti.

References: § 42
 § 139
 § 139
 § 42
 § 554
 § 816
 § 127
 § 51
 § 24