kiirening
Kiirening is a term that does not have a widely established definition in major reference works. It appears only in a limited set of sources and is not recognized as a standard term in languages with broad encyclopedia usage. Because of this, kiirening is typically described in sources as a niche or ambiguous concept rather than a fixed discipline.
In languages such as Estonian, kiire means fast or rapid, and the suffix -ning can form nouns
Because kiirening lacks standardized usage, what it signifies depends on context. In informal discussion, it is
Fast-tracking, rapid prototyping, accelerated development, rapid iteration.