Where does “palaeoendemism” come from?

palaeoendemism (English) comes from English endemism, from English endemic, from French endémique, from French -ique, from Middle French -ique, from Old French -ique, from Latin -icus, from Proto-Italic *-ikos — forms adjectives with the sense of 'of or pertaining to'.

Ancestry of “palaeoendemism”, step by step

StepLanguageWordMeaning
1EnglishendemismThe state of being endemic
2EnglishendemicNative to a particular area or culture;...
3Frenchendémiqueendemic
4French-iqueUsed to form adjectives from nouns: -ic, -ical,...
5Middle French-iqueic
6Old French-ique-ic
7Latin-icusbelonging to; derived from; of or pertaining to;...
8Proto-Italic*-ikosforms adjectives with the sense of 'of or pertaining to'
Every word from Proto-Italic *-ikosEvery word from Latin -icusEvery word from French -ique
palaeoendemism — Etymology, Origin & Word History | Etymology Explorer