Where does “ĉi” come from?

ĉi (Esperanto) comes from French ci, from Latin ecce hic, from Latin hīc, from Latin heic, from Latin hic, from Proto-Italic hek(e), from Proto-Indo-European gʰi-ḱe, from Proto-Indo-European ḱe — to bend; curve; arch; vault; to bow, bend, arch,...

ĉi (Esperanto): here; just mentioned, the latter; here, this

Definitions

  1. here; just mentioned, the latter; here, this

Ancestry of “ĉi”, step by step

ĉi traces back through 3 separate lines of ancestry.

via French ci

StepLanguageWordMeaning
1Frenchcihere; this
2Latinecce hichere (emphatic)
3Latinhīcthis; these in the plural
4Latinheic
5Latinhicthis; these in the plural
6Proto-Italichek(e)
7Proto-Indo-Europeangʰi-ḱethis, here
8Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
9Middle Englishkyt
10Germankittputty certain kinds of cement used for fixing e.g. window panes
11Old High Germankuti
12Proto-West Germanickwidugum, resin
13Proto-Germanickweduzresin
14Proto-Indo-Europeangʷet-resin, gum; to say, speak
15Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...

via French tu

StepLanguageWordMeaning
1Frenchtuyou singular
2Old Frenchtuthou
3Latinyou (singular); thou
4Proto-Italicyou
5Proto-Indo-Europeantúh₂you, thou

via Russian ты

StepLanguageWordMeaning
1Russianтыsecond-person singular, nominative case: you,...
2Old East Slavicтꙑyou, thou
3Proto-Slavictyyou
4Proto-Balto-Slavictūˀyou

Words derived from “ĉi

Every word from Proto-Indo-European gū-Every word from Proto-Indo-European gʷet-Every word from Proto-Germanic kweduz