Common expression for starting grammar school later than expected
Solution 1:
The alternative words used is determined by local authority terminology.
I live in Hampshire, England; and we have 2 words for évvesztes which mean different things.
You have deferred entry where you can defer entry to a later part of the year, or you have decelerated entry where you can defer entry for a whole year, but that is only allowed in exceptional circumstances.
I don't know if this applies everywhere in England, but it does in Hampshire.