IPA: /ɪmˌpɛrɪʃəˈbɪlɪti/
KK: /ɪmˈpɛrɪʃəˌbɪlɪti/
The quality of not being able to decay or be destroyed; lasting forever.
The imperishability of their love was evident even after many years.
Imperishability → It is formed from "in-" (meaning not), "perish" (from Latin "perire", meaning to die or pass away), and "-ability" (meaning the quality of being able to). The word "imperishability" refers to the quality of not being able to perish or die.
Think of 'not' ('in-') being able to 'die' ('perish') — that's why imperishability means the quality of being undying or eternal.