palaeometeorology
/ˌpalɪəʊˌmiːtɪəˈrɒlədʒi/ /ˌpeɪlɪəʊˌmiːtɪəˈrɒlədʒi/noun
The branch of science that deals with atmospheric conditions and weather in the past.
Origin
Mid 19th century; earliest use found in Edinburgh New Philosophical Journal. From palaeo- + meteorology.