Lexical Definition

‎στηριγμός‎ stērigmós (stay-rig-mos') security ^G:N-M
from ‎στηρίζω‎

stedfastness.

• stability (figuratively)

Abbott-Smith

** στηριγμός, -οῦ, ὁ (< στηρίζω), [in Sm.: Is 3:1 * ;]
1. a setting firmly, supporting.
2. fixedness, firmness, steadfastness: II Pe 3:17.†

Abbott-Smith References

Liddell-Scott-Jones

στηριγμός-μός, ὁ,

being fixed, standing still, τῶν πλανήτων ἀστέρων [Refs 1st c.BC+] bis[Refs 3rd c.AD+]

__2 fixedness, of steady light, opposed to flashing, [Refs 4th c.BC+]
__3 metaphorically, ἐκπεσεῖν τοῦ ἰδίου σ. from your proper firmness, [NT]
__4 Rhet., sustaining of the voice on certain words or syllables, so as to give them force, αἱ μακραὶ συλλαβαί, στηριγμόςμούς τινας ἔχουσαι καὶ ἐγκαθίσματα [Refs 1st c.BC+]; στηριγμόςμοὺς ἔχειν πρὸς ἄλληλα τὰ ὀνόματα mutual support, buttressing, [Refs 3rd c.AD+]; compare ἀντιστηριγμόςμός.

_{LSJ Scripture Refs: 2Pet.3.17}