Where does “leucoprotease” come from?

leucoprotease (English) comes from English protease, from English protein, from French protéine, from French -ine, from French -é, from Middle French -é, from Old French -é, from Latin -a.

Ancestry of “leucoprotease”, step by step

leucoprotease traces back through two separate lines of ancestry.

via English protease

StepLanguageWordMeaning
1EnglishproteaseAn enzyme that cuts or cleaves proteins
2EnglishproteinAny of numerous large, complex naturally-produced...
3Frenchprotéineprotein
4French-inefeminine singular of -in; female equivalent of...
5Frenchpast participle root verb suffix of regular -er...
6Middle Frenchpast participle root verb suffix of regular; -ed, -en, -n
7Old Frenchused to form past participles of regular -er...
8Latin-asuffixed to the roots of verbs, forms agent...
9Proto-ItalicForms masculine agent nouns from prefixed or compounded bases
10Proto-Indo-European-éh₂

via English leuco

StepLanguageWordMeaning
1EnglishleucoOf or relating to leuco dyes and their related compounds
2Ancient Greekλευκόςbright, shining, gleaming; light in color; white;...
3Proto-Hellenic*leukóswhite
Every word from Proto-Indo-European -éh₂
leucoprotease — Etymology, Origin & Word History | Etymology Explorer