Where does “Esperantise” come from?

Esperantise (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.

Ancestry of “Esperantise”, step by step

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
Every word from Proto-Indo-European speh₁-