Definition of alkahestical in English:
alkahestical
(also alchahestical)
adjective alkəˈhɛstɪk(ə)l
rare Origin
Mid 17th century; earliest use found in George Starkey (1628–1665), alchemist, medical practitioner, and writer. Either from post-classical Latin alkahesticus + -al, or from alkahest + -ical.