linguistics

Etymology tree
Proto-Indo-European *dn̥ǵʰwéh₂s
Proto-Italic *dn̥ɣwā
Latin dingua
Latin lingua
Proto-Indo-European *-id-
Proto-Indo-European *-yéti
Proto-Indo-European *-idyéti
Proto-Hellenic *-íďďō
Ancient Greek -ῐ́ζω (-ĭ́zō)
Proto-Hellenic *-tās
Ancient Greek -τής (-tḗs)
Ancient Greek -ῐστής (-ĭstḗs)bor.
Latin -istader.
Old French -istebor.
Middle English -ist
English -ist
English linguist
Proto-Indo-European *-ikos
Proto-Italic *-ikos
Latin -icuslbor.
Old French -iquebor.
Middle English -ik
English -ic
Old English -as
Middle English -es
English -s
English -ics
English linguistics
From linguist + -ics, akin to linguistic and Latin linguisticus, coined by English philosopher and historian of science William Whewell in 1847 from German Linguistik.