permanency
n. நிலைபேறு, பொன்றாப் பொருள்.
Per"ma*nence, Per"ma*nen*cy, n. Etym: [Cf. F. permanence.] Defn: The quality or state of being permanent; continuance in the same state or place; duration; fixedness; as, the permanence of institutions; the permanence of nature.