Where does “isto” come from?

isto (Portuguese) comes from Old Portuguese isto, from Latin istud, from Latin iste, from Latin hāc, from Latin hīc, from Latin heic, from Latin hic, from Proto-Italic hek(e) — resin.

isto (Portuguese): this; this sentence, this word, this dictum;...

Definitions

  1. this; this sentence, this word, this dictum;...

Ancestry of “isto”, step by step

StepLanguageWordMeaning
1Old Portugueseisto
2Latinistudnominative neuter singular of iste; accusative...
3Latinistethat near you; those in the plural
4Latinhācthis way; these; in this place (or way)
5Latinhīcthis; these in the plural
6Latinheic
7Latinhicthis; these in the plural
8Proto-Italichek(e)
9Proto-Indo-Europeangʰi-ḱethis, here
10Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
11Middle Englishkyt
12Germankittputty certain kinds of cement used for fixing e.g. window panes
13Old High Germankuti
14Proto-West Germanickwidugum, resin
15Proto-Germanickweduzresin
Every word from Proto-Germanic kweduzEvery word from Proto-West Germanic kwiduEvery word from Old High German kuti