Meaning

adjective pertaining to the branch of astronomy dealing with the origin and history and structure and dynamics of the universe

adjective pertaining to the branch of philosophy dealing with the elements and laws and especially the characteristics of the universe such as space and time and causality

originEtymology tree English cosmology Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ic Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al Middle English -ical English -ical English cosmological From cosmology + -ical.

Etymology from Wiktionary, CC BY-SA 3.0