Where does “Esperantologist” come from?

Esperantologist (English) comes from English Esperanto, from Esperanto Esperanto, from Esperanto esperi, from Portuguese esperar, from Old Portuguese asperar, from Old Spanish esperar, from Latin spērō, from Latin spes — to succeed, to prosper.

Esperantologist (English): A person who studies Esperanto in an academic way

Definitions

  1. A person who studies Esperanto in an academic way

Ancestry of “Esperantologist”, step by step

Esperantologist traces back through two separate lines of ancestry.

via English Esperanto

StepLanguageWordMeaning
1EnglishEsperantoAn international auxiliary language designed by L. L. Zamenhof
2EsperantoEsperantoEsperanto; one who hopes
3Esperantoesperito hope
4Portugueseesperarto wait; to hope; to expect; to anticipate
5Old Portugueseasperar
6Old Spanishesperarto wait for, await
7Latinspērōto hope, expect
8Latinspeshope; expectation, anticipation, apprehension
9Proto-Italicspēshope
10Proto-Indo-Europeanspéh₁sprosperity, success
11Proto-Indo-Europeanspeh₁-to succeed, to prosper

via English ologist

StepLanguageWordMeaning
1EnglishologistOne who studies some branch of learning,...
2English-ologistAlternative spelling of -logist
3English‐logistA person who studies or is an expert in the related -logy
4English-istAdded to words to form nouns denoting
5Old French-iste
6Latin-ista-ist; one who practises or believes
7Ancient Greek-ιστήςAlternative form of -τής; -ist
8Ancient Greek-τήςAppended to verbs to form agent nouns
9Proto-Hellenic-tās
Every word from Proto-Indo-European speh₁-