Lexical Definition

‎τήκω‎ tḗkō (tay'-ko) to melt ^G:V
apparently a primary verb

melt.

• to liquefy

Abbott-Smith

τήκω [in LXX for מָסַס ni., מָקַק ni., מוּג ni., etc. ;]
trans.,
to melt, melt down; pass., to melt, melt away: II Pe 3:12.†

Abbott-Smith References

Liddell-Scott-Jones

τήκω,

[Refs 4th c.BC+], Doric dialect τάκω [ᾱ] [Refs 5th c.BC+]: future τήξω [Refs 5th c.BC+]; Doric dialect 2nd pers. singular ταξεῖς (κατα-) [Refs 3rd c.BC+]: aorist ἔτηξα [Refs 8th c.BC+]perfect τέτηκα, in intransitive sense, [Refs 8th c.BC+]; Doric dialect τέτᾱκα [Refs 5th c.BC+]: pluperfect ἐτετήκειν [Refs 5th c.BC+] — middle, future τήξομαι (but in passive sense) [Refs 5th c.BC+]: aorist ἐτηξάμην [Refs 2nd c.BC+]:—passive, future τᾰκήσομαι [LXX+1st c.AD+]aorist ἐτάκην [ᾰ] [Refs 5th c.BC+]; frequently in compounds ἐξ-, ἐν-, συν-; rarely ἐτήχθην, [Refs 5th c.BC+], once in Trag., συντηχθείς [Refs 5th c.BC+]: perfect τέτηγμαι [Refs 1st c.AD+]; but in early Gr. the perfect and pluperfect passive are supplied by the intransitive active perfect and pluperfect τέτηκα, ἐτετήκειν (see. above).

__I active, melt, melt down (transitive), of metals, [Refs 5th c.BC+]; τ. πετραίαν χιόνα A.[same place]; bring clouds down in rain, [Refs 5th c.BC+]; dissolve, [Refs 5th c.BC+]
__I.2 metaphorically, dissolve, cause to waste or pine away, μὴ θυμὸν τῆκε let it not melt or pine away, [Refs 8th c.BC+]; τίν᾽ αεὶ τάκεις ὧδ᾽ ἀκόρετον οἰμωγὰν τὸν Ἀγαμέμνον; (i.e. τί ὧδε τήκει οἰμώζουσα τὸν Ἀγ.;) [Refs 5th c.BC+]; τ. καὶ λείβει [τὸ θυμοειδές[Refs]; διαφορεῖν καὶ τ. [σάρκα] carry off and reduce superfluous flesh, [Refs 2nd c.AD+]
__II passive, with intransitive perfect active τέτηκα, melt, be dissolved, melt away, of snow, thaw, χιὼν τηκομένη [Refs 8th c.BC+]; of metals, ἐτήκετο κασσίτερος ὥς [Refs 8th c.BC+]; also τετηκότα (i.e. κρέα) sodden flesh, [Refs 5th c.BC+]; ἄλφιτα πυρὶ τ. is consumed, [Refs 3rd c.BC+]; τήκεται κοιλίη, merely, is relaxed, [Refs 5th c.BC+]“Aër.” 7; of putrefying flesh, fall away, [Refs 5th c.BC+]; of a corpse, κατθανὼν ἐτήκετο [Refs 5th c.BC+]; κηκὶς μηρίων ἐτήκετο[Refs 5th c.BC+]; εἰς τοῦτο τετηκυῖα resolved into.., [NT+5th c.BC+]; of fat, τακείσης πιμελῆς [Refs 2nd c.AD+].140; of food in the digestive organs, τήκεται μὲν ἡ πρότερον ῥηθεῖσα [πτισάνη], ἡ δ᾽ ἑτέρα δύστηκτός ἐστι [Refs]
__II.2 metaphorically, melt or waste away, pine, κλαίουσα τέτηκα [Refs 8th c.BC+]; τήκετο καλὰ παρήϊα δάκρυ χεούσης[Refs 5th c.BC+]; Ὀδυσσεὺς τήκετο was moved to tears, [Refs 8th c.BC+]; come to naught, δόξαι.. τακόμεναι κατὰ γᾶν μινύθουσιν [Refs 4th c.BC+]; ἐπί τινι τακείς consumed for love of.., [Refs 3rd c.BC+]; βλέμμα τηκόμενον a languishing look, [Refs 1st c.AD+]. (Cf. Latin τᾱβες, O[Refs 5th c.BC+] pawian 'thaw', Slavonic tajati 'melt'.)

_{LSJ Scripture Refs: LXX.Lev.26.39 ☩ 2Pet.3.12}