IPA: /ˌpeɪliəʊbəˈtænɪkəl/
KK: /ˌpeɪliəʊbəˈtænɪkəl/
Relating to the study of ancient plants and their fossils.
The paleobotanical research revealed new insights into prehistoric ecosystems.
Paleobotanical → It is formed from "paleo-" (from Greek "palaios", meaning ancient) and "botanical" (from Greek "botanika", meaning relating to plants). The word "paleobotanical" refers to the study of ancient plants.
Think of 'ancient' ('paleo-') plants ('botanical') to remember that 'paleobotanical' relates to the study of ancient plant life.