palaeoclimatologic
/ˌpalɪəʊˌklʌɪmətəˈlɒdʒɪk/ /ˌpeɪlɪəʊˌklʌɪmətəˈlɒdʒɪk/adjective
= palaeoclimatological.
Origin
1940s; earliest use found in Bulletin of the American Association of Petroleum Geologists. From palaeo- + climatologic, after palaeoclimatology.