Lexical Definition

‎κάμνω‎ kámnō (kam'-no) be weary/sick: weak ^G:V
apparently a primary verb

faint, sick, be wearied.

• properly, to toil, i.e. (by implication) to tire (figuratively, faint, sicken)

Abbott-Smith

κάμνω, [in LXX: Jb 10:1 (קוּט ni.) 17:2, Wi 4:16 15:9, IV Mac 3:8 7:13*;]
1. to work; hence, from the effect of continued work,
2. to be weary: He 12:3.
3. to be sick: Ja 5:15.†

Abbott-Smith References

Liddell-Scott-Jones

κάμνω,

future κᾰμοῦμαι, καμῇ, [Refs 5th c.BC+]; καμεῖται [Refs 8th c.BC+]; Epic dialect infinitive -έεσθαι[Refs 3rd c.BC+]aorist 2 ἔκᾰμον, Epic dialect κάμον [Refs 8th c.BC+]; infinitive καμεῖν, Epic dialect subjunctive reduplicate κεκάμω, κεκάμῃσι, κεκάμωσιν, [Refs 8th c.BC+]: perfect κέκμηκα [Refs 8th c.BC+]: pluperfect ἐκεκμήκεσαν [Refs 5th c.BC+]; Epic dialect participle κεκμηώς, κεκμηῶτι, κεκμηῶτα, [Refs 8th c.BC+]; κεκμηῶτας is variant for{κεκμηκότας} in [Refs 5th c.BC+]:— middle, aorist 2 ἐκᾰμόμην [Refs 8th c.BC+], Epic dialect καμ- [Refs 8th c.BC+]

__I transitive, work, μίτρη, τὴν Χαλκῆες κάμον ἄνδρες wrought it, [Refs]; ἐπεὶ πάνθ᾽ ὅπλα κάμε [Refs 8th c.BC+]; ἄστυ build, [Refs 3rd c.BC+]: also in aorist middle, ἱρόν [Refs]
__I.2 aorist middle, win by toil, τὰς (i.e. γυναῖκας) αὐτοὶ καμόμεσθα βίηφί τε δουρί τε μακρῷ [Refs 8th c.BC+]
__I.3 aorist middle, labour, till, οἵ κέ σφιν καὶ νῆσον.. ἐκάμοντο [Refs 8th c.BC+]
__II intransitive, toil, labour, τινι for one, [Refs 8th c.BC+]: then, from the effect of continued work, to be weary, ἀνδρὶ δὲ κεκμηῶτι μένος μέγα οἶνος ἀέξει [Refs 8th c.BC+] nor is he weary in limb, [Refs], etc.; περὶ δ᾽ ἔγχεϊ Χεῖρα καμεῖται [Refs]participle, κ. πολεμίζων, ἐλαύνοντες, ἐρεθίζων, is weary of fighting, rowing, etc., [Refs], etc.; οὐ μέν θην κάμετον.. ὀλλῦσαι Τρῶας [Refs 8th c.BC+]; but οὐδέ τι τόξον δὴν ἔκαμον τανύων I did not long strain over stringing the bow, i.e. did it without effort,[Refs 8th c.BC+] I shall never be tired of saying, [Refs 5th c.BC+]; κ. εὐεργετῶν, ἐπαινῶν, [Refs 5th c.BC+] to grow tired in spending, spare expense, [Refs 5th c.BC+]
__II.2 to be hard-pressed, worsted, in battle or contest, [Refs]; τὸ κάμνον στρατοῦ [Refs 5th c.BC+]
__II.3 to be sick or suffering, τί πάσχει; τί κάμνει; [Refs 5th c.BC+]; οἱ κάμνοντες the sick, [NT+5th c.BC+]; of a doctor's patients, [Refs 5th c.BC+]; καμοῦσα ἀπέθανε having fallen sick, [Refs 5th c.BC+]; [τὴν ποδάγραν] variant in [Refs 5th c.BC+]; τὰ σώματα to be ill or distempered in body, [Refs 5th c.BC+]
__II.4 generally, to be distressed, meet with disaster, στρατοῦ καμόντος [Refs 5th c.BC+]; οὐ καμῇ τοὐμὸν μέρος wilt not have to complain.., [Refs 5th c.BC+]; of a ship, νεὼς καμούσης ποντίῳ πρὸς κύματι [Refs 4th c.BC+] not having borne an equal share of grief, [Refs 5th c.BC+]
__II.5 in aorist participle, of the dead, i. e. either outworn, or those whose work is done, or those who have met with disaster, οἳ ὑπένερθε καμόντας ἀνθρώπους τίνυσθον [Refs 8th c.BC+]; εἴδωλα κ[Refs 8th c.BC+]: also in perfect participle in Trag. and Prose, κεκμηκότες [Refs 5th c.BC+]; ἱερὰ τῶν κ. [Refs 5th c.BC+]; also in the finite Verb, ὅπη ἄνθρωπος ἔκαμε [Refs].--The perfect is always intransitive (Cf. Sanskrit śamnīte 'work hard', 'serve zealously', śamitár- 'sacrificing priest', Gr. εἰρο-κόμος, κομέω, κομίζω.)

_{LSJ Scripture Refs: Jas.5.15}