The most common and most likely answer to this crossword clue is the 4 plus 3 letter word POST WAR
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More clues leading to the result POST WAR
Buddy explains!
The straight part
We know that "from 1946 onwards" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case from 1946 onwards = post war.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does POST WAR mean?
POST WAR adjective- Pertaining to a period of time immediately following the end of a war; where there is a cessation of conflict.