Lexical Definition

‎εἶδος‎ eîdos (i'-dos) appearance ^G:N-N
from ‎εἴδω‎

appearance, fashion, shape, sight.

• a view, i.e. form (literally or figuratively)

Abbott-Smith

εἶδος, -ους, τό, [in LXX for מַרְאֶה, תֹּאַר, etc.;]

1. that which is seen, appearance, external form: Lk 3:22 9:29, Jo 5:37, II Co 5:7 (ICC in l.).
2. form, sort, kind: I Th 5:22.†

Abbott-Smith References

Liddell-Scott-Jones

εἶδος, εος, τό,

(εἴδω A) that which is seen: form, shape, frequently in [Refs 8th c.BC+], of the human form or figure, especially absolutely in accusative with adjectives, εἶδος ἄριστος, ἀγητός, κακός, [Refs 8th c.BC+]; opposed to βίη, [Refs 8th c.BC+]; δευτέρα πεδ᾽ Ἀγιδὼν τὸ εἶ. [εἶδος τῆς γυναικὸς ὑπερεπαινέων 5th c.BC: Herodotus Historicus 1.8, etc.">Refs 7th c.BC+]; appearance, of a dog, [εἶδος 5th-6th c.BC: Aristophanes Comicus “Thesmophoriazusae” 267 ">Refs 8th c.BC+]: hence, periphrastic for person, [Refs 5th c.BC+]

__b especially of beauty of person, comeliness, εἴδεος ἐπαμμένος [Refs 5th c.BC+]
__c in Medicine texts, physique, habit of body, constitution, [Refs 5th c.BC+]
__2 generally, shape, σχῆμα καὶ εἶδος [Refs]; pattern, of 'figurate' numbers, [εἶδος εἰδῶν τυγχάνει “Theologumena Arithmeticae” 4, compare 17">Refs 4th c.BC+]; decorative pattern or figure, [Refs 1st c.AD+]; of a musical scale, τοῦ διὰ τεσσάρων τρία εἰδη [Refs 4th c.BC+]: in plural, shapes, i.e. various kinds of atoms (compare ἰδέα), [Refs 4th c.BC+]
__2.b Geometry texts, δύο εἴδη τῷ εἴδει δεδομένα two figures given in species, [Refs 3rd c.BC+]; especially in central conics, rectangle formed by a transverse diameter and the corresponding parameter, [Refs 3rd c.BC+]; also, species of numbers, of the terms in an algebraical expression involving different powers of the unknown quantity, [Refs 3rd c.AD+]
__II form, kind, or nature, τῶν ἀλλέων παιγνιέων τὰ εἴδεα [Refs 5th c.BC+]; ἐν ἁρμονίας εἴδει εἶναι, γενέσθαι, to be or become like.., [Refs 5th c.BC+]; ὡς ἐν φαρμάκου εἴδει by way of medicine, [Refs]; νόμων ἔχει εἶδος is in the province of law, [Refs 4th c.BC+]; situation, state of things, σκέψασθε ἐν οἵῳ εἴδει.. τοῦτο ἔπραξαν [Refs 5th c.BC+]; plan of action, policy, ἐπὶ εἶδος τρέπεσθαι [Refs]; ἐπ᾽ ἄλλ᾽ εἶδος τρέπεσθαι take up another line, [Refs 5th c.BC+]; specific notion, meaning, idea, ἂν παρέχῃ τὸ ἓν εἶ. δύο ὀνόματα.., περὶ ἑνὸς εἴδεος δύο ὀνόματα οὐ τὰ αὐτά [Refs 4th c.BC+]; department, [Refs 5th c.BC+] (but also, elementary nature or quality, [Refs]; type, sort, πυρετῶν [Refs]: Rhet., style of writing, τὰ εἴδη τῶν λόγων [Refs 5th c.BC+]; later, definite literary form, Men.Rh.[near the start], [Refs 5th c.AD+]; also, example of a style, ὅλοις εἴδεσι [Refs 5th c.BC+]; later, single poem, applied to Pindar's odes by Scholia; also, written statement, ἀναγνωσθέντος εἴδους [Refs 2nd c.AD+]
__III class, kind, πᾶν τὸ τῶν πίστεων εἶδος [εἶδος [prev. work] 205d, etc.">Refs 5th c.BC+]; logical species, Sph.[Refs]; ἓν εἶδος ἀποχωρίζειν [Refs 4th c.BC+]; as a subdivision of γένος, [Refs]; ἐπὶ τοῦ αὐτοῦ γένους πεύκη, εἴδει διαφέρουσα, [Refs 1st c.AD+]
__III.2 ={ἰδέα} 11.2, [Refs 5th c.BC+]
__III.3 form, opposed to matter (ὕλη), [Refs]: hence, formal cause, essence, [Refs]
__IV in later Gr., wares of different kinds, goods, [Refs 2nd c.AD+]: hence, payments in kind, opposed to χρυσίον, [Refs 6th c.AD+]; spices, [Refs 6th c.AD+]; groceries, Anon.post Max.p.120 L.; εἶ. ἰατρικόν drug, [Refs 5th c.AD+]; of a chemical reagent, Zos.Alch.p.205 [Refs 5th c.BC+]