Meaning

noun the science of matter and energy and their interactions

noun the physical properties, phenomena, and laws of something

noun a purging medicine; stimulates evacuation of the bowels

origin1580s; from physic (see also -ics), from Middle English phisik, from Old French fisike (“natural science, art of healing”), from Latin physica (“study of nature”), from Ancient Greek φυσική (phusikḗ), feminine singular of φυσικός (phusikós, “natural; physical”), from Ancient Greek φύσις (phúsis, “origin; nature, property”), from Ancient Greek φύω (phúō, “produce; bear; grow”), ultimately from…

Etymology from Wiktionary, CC BY-SA 3.0