symptomology

English

Etymology tree

English symptom

Ancient Greek -ο- (-o-)der.

Latin -o-bor.

English -o-

Proto-Indo-European *leǵ-

Proto-Indo-European *-os

Proto-Indo-European *lóǵos

Proto-Hellenic *lógos

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

English -ology

English symptomology

symptomology (countable and uncountable, plural symptomologies)

(informal) symptomatology.
- 2021, Ruth Ozeki, The Book of Form and Emptiness, Canongate Books (2022), page 146:
  Just looking at the list made her wheeze, but she studied each item carefully, trying to match the abstract language of symptomology to her very real son’s actual behavior.