ichneumonology

Etymology tree
Ancient Greek ἰχνεύω (ikhneúō)
Proto-Indo-European *-mṓ
Ancient Greek -μων (-mōn)
Ancient Greek ἰχνεύμων (ikhneúmōn)bor.
Latin ichneumōn
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 -logia
Latin ichneumōnologiabor.
English ichneumonology
Borrowed from Latin ichneumōnologia. By surface analysis, ichneumon + -ology.