aestivated

/EH1 S T AH0 V EY0 T IH0 D/
verb
  1. 1

    To go into stasis or torpor in the summer months.

Source: https://en.wiktionary.org/wiki/aestivate, https://en.wiktionary.org/wiki/aestivated, https://en.wiktionary.org/wiki/estivate