palaeoclimates

/P AE1 L AH0 IY1 OW1 K L AY1 M AH0 T S/
noun
  1. 1

    The climate of the Earth at a specified point in geologic time

Source: https://en.wiktionary.org/wiki/palaeoclimate, https://en.wiktionary.org/wiki/palaeoclimates, https://en.wiktionary.org/wiki/paleoclimate