From Wiktionary, the free dictionary
From post- + spawning.
postspawning (not comparable)
- After spawning.
2015 June 22, Chengzhe Li et al., “Adult Behavior of Tirumala limniace (Lepidoptera: Danaidae)”, in Journal of Insect Science[1], volume 15, →DOI:Flight and flower-visiting activities rose from the beginning of supplementing nutrition, and declined until the postspawning stage.
