Where does “multietiologic” come from?

multietiologic (English) comes from English multi, from English multituberculate, from English tuberculate, from Latin tuberculatus, from Latin tūberculum, from Latin tūber, from Proto-Italic tūβos, from Proto-Indo-European tewh₂- — to swell; to crowd; to be strong.

Ancestry of “multietiologic”, step by step

multietiologic traces back through two separate lines of ancestry.

via English multi

StepLanguageWordMeaning
1EnglishmultiA multituberculate; Neolamprologus multifasciatus
2EnglishmultituberculateHaving molars with multiple rows of cusps; Any of...
3EnglishtuberculateHaving tubercles; Tubercular
4Latintuberculatuswarty, tuberculate
5Latintūberculuma small swelling, bump, or protuberance; a boil, pimple, tubercle
6Latintūbera hump, bump, swelling, protuberance; excrescence
7Proto-Italictūβos
8Proto-Indo-Europeantewh₂-to swell; to crowd; to be strong

via English etiologic

StepLanguageWordMeaning
1EnglishetiologicAlternative spelling of aetiologic
2Frenchétiologiqueetiological
3French-iqueUsed to form adjectives from nouns: -ic, -ical,...
4Middle French-iqueic
5Old French-ique-ic
6Latin-icusbelonging to; derived from; of or pertaining to;...
7Proto-Italic*-ikosforms adjectives with the sense of 'of or pertaining to'
Every word from Proto-Indo-European tewh₂-Every word from Proto-Italic tūβosEvery word from Latin tūber