IPA: /ˌmɛtəˈfɪʃən/
KK: /mɛtəˈfɪʃən/
A person who studies or specializes in the nature of reality, existence, and the fundamental nature of being.
The metaphysician explored questions about the nature of time and space.
Metaphysician → It is formed from "meta-" (meaning beyond) and "physica" (from Greek "phusis", meaning nature) and the suffix "-ian" (meaning relating to or one who practices). A metaphysician is someone who studies or practices philosophy that goes beyond the physical or natural world.
Think of someone who studies what is 'beyond nature' — 'meta-' means beyond, 'physica' relates to nature, and '-ian' indicates a person who practices this study.