allantoinase

Etymology tree
Ancient Greek ᾰ̓λλᾶς (ăllâs)der.
English allanto-
Proto-Indo-European *-nós
Proto-Indo-European *-iHnos
Proto-Italic *-īnos
Latin -īnusder.
Old French -inbor.
Middle English -in
English -ineclip.
English -in
English allantoin
Proto-Indo-European *dwóh₁
Proto-Indo-European *dwísder.
Ancient Greek διά (diá)
Ancient Greek δῐᾰ- (dĭă-)
Proto-Indo-European *steh₂-
Proto-Indo-European *stísteh₂ti
Proto-Hellenic *hístāmi
Ancient Greek ῐ̔́στημῐ (hĭ́stēmĭ)
Ancient Greek δῐῐ̈́στημῐ (dĭĭ̈́stēmĭ)
Ancient Greek δῐᾰ́στᾰσῐς (dĭắstăsĭs)
English diastase
English -ase
English allantoinase
From allantoin + -ase.