after-war
/ˈɑːftəˌwɔː/ /ˈaftəˌwɔː/noun
1A later or subsequent war. Now rare.
2The period following a war.
adjective
Following a war; of, relating to, or characteristic of the period following a war. Now chiefly with reference to the wars of 1914–18 and 1939–45.
Origin
Early 17th century; earliest use found in Henry Ainsworth (1569–1622), separatist minister and religious controversialist. From after- + war.