pathophysiological

Etymology tree
Ancient Greek πάσχω (páskhō)der.
Ancient Greek πᾰ́θος (pắthos)der.
English patho-
Proto-Indo-European *bʰuH-
Proto-Indo-European *-yéti
Proto-Indo-European *bʰuHyéti
Ancient Greek φῠ́ω (phŭ́ō)
Proto-Indo-European *-tis
Ancient Greek -τις (-tis)
Ancient Greek -σῐς (-sĭs)
Ancient Greek φῠ́σῐς (phŭ́sĭs)
English physio-
Proto-Indo-European *leǵ-
Ancient Greek λόγος (lógos)
Proto-Indo-European *-h₂
Proto-Indo-European *-éh₂
Proto-Indo-European *-i-eh₂
Proto-Hellenic *-íā
Ancient Greek -ῐ́ᾱ (-ĭ́ā)
Ancient Greek -λογῐ́ᾱ (-logĭ́ā)bor.
Latin -logialbor.
French -logiebor.
English -logy
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 -logical
Latin physiologicus
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Middle English -al
English -al
English physiological
English pathophysiological
From patho- + physiological.