English
Esperantology
From Esperanto + -ology.
Formed from Esperanto + -ology
Proto-Indo-European *speh₁- ‘to succeed, to prosper’
…
Latin spērāre
Catalan esperar ‘to hope’
Esperanto esperi ‘to hope’
Esperanto Esperanto
English Esperanto
Today it means
noun The academic study of Esperanto.
Language periods are conventional ranges, not dates for this word.
Etymograph / Esperantology