IPA: /nɒnˈɛntri/
KK: /nɑnˈɛntri/
A situation where a person or entity does not enter or participate in something, often resulting in a loss or missed opportunity.
The nonentry of the heir meant that the estate would revert to the superior.
Nonentry → It is formed from "non-" (meaning not) and "entry" (from Old French *entrer*, meaning to enter). The word "nonentry" means the state of not entering or the absence of entry.
Think of 'not' ('non-') allowing someone to 'enter' ('entry') — that's why nonentry means not entering.