Where does “Ĵamestaŭno” come from?

Ĵamestaŭno (Esperanto) comes from English Jamestown, from English town, from Middle English toun, from Middle English ende, from Old English ende, from Proto-Germanic andi, from Proto-Indo-European h₂énti, from Proto-Indo-European h₂énts — on, onto.

Ancestry of “Ĵamestaŭno”, step by step

StepLanguageWordMeaning
1EnglishJamestownAny of numerous places in English-speaking regions
2EnglishtownA settlement; an area with residential districts,...
3Middle Englishtountown
4Middle EnglishendeThe end or finishing of a thing; the terminal...
5Old Englishendeend, limit, border, corner
6Proto-Germanicandiin addition, furthermore, and
7Proto-Indo-Europeanh₂éntiopposite; near; in front
8Proto-Indo-Europeanh₂éntsforehead; front
9Proto-Indo-Europeanh₂ent-face; forehead; front
10Proto-Indo-Europeanh₂en-on, onto
Every word from Proto-Indo-European h₂en-Every word from Proto-Indo-European h₂ent-Every word from Proto-Indo-European h₂énts