diagnosable

Etymology tree
Proto-Indo-European *dwóh₁
Proto-Indo-European *dwísder.
Ancient Greek διά (diá)
Ancient Greek δια- (dia-)
Proto-Indo-European *ǵneh₃-
Proto-Indo-European *-sḱéti
Proto-Indo-European *ǵn̥h₃sḱétider.
Proto-Hellenic *gignṓskō
Ancient Greek γῐγνώσκω (gĭgnṓskō)
Ancient Greek δῐαγῐγνώσκω (dĭagĭgnṓskō)
Proto-Indo-European *-tis
Ancient Greek -τις (-tis)
Ancient Greek -σῐς (-sĭs)
Ancient Greek δῐᾰ́γνωσῐς (dĭắgnōsĭs)der.
Latin diagnōsisder.
English diagnosisbf.
English diagnos(e)
Proto-Indo-European *-tḗr
Proto-Indo-European *-dʰlom
Proto-Indo-European *-dʰlis
Proto-Italic *-ðlis
Latin -bilis
Latin -ābilis
Old French -ablebor.
Middle English -able
English -able
English diagnosable
From diagnos(e) + -able.