Origin of immutable
Examples from the Web for immutability
AIPAC officials have long argued that American aid “has come to represent the immutability of the U.S.-Israel alliance.”
Both had been constrained to feel that the immutability of species could not be maintained.Darwin and Modern Science|A.C. Seward and Others
The Immutability of the Law will be treated in detail later.A History of Mediaeval Jewish Philosophy|Isaac Husik
This brings us to another important question—is not the creative power of the Word limited by the immutability of the Law?The Law and the Word|Thomas Troward
This immutability of the constitution of France is a necessary consequence of the laws of that country.American Institutions and Their Influence|Alexis de Tocqueville et al.
But their immutability is not a matter of experience, but is known to thought.A Critical History of Greek Philosophy|W. T. Stace
1590s, from Latin immutabilitas, from immutabilis (see immutable).
Nought may endure but Mutability. [Shelley]
early 15c., from Old French immutable and directly from Latin immutabilis "unchangeable," from assimilated form of in- "not, opposite of" (see in- (1)) + mutabilis "changeable," from mutare "to change" (see mutable). Related: Immutably.