From Wiktionary, the free dictionary
From Proto-Indo-European *h₁ésti.
*isti
- third-person singular present active indicative of *wesaną
- Proto-West Germanic: *ist
- Old English: is
- Old Frisian: is
- North Frisian: as
- Saterland Frisian: is
- West Frisian: is
- Old Saxon: ist, is
- Middle Low German: is
- Dutch Low Saxon: is
- German Low German: is, es, ös
- Plautdietsch: es
- Old Dutch: ist
- Old High German: ist
- Middle High German: ist, is
- Alemannic German: isch
- Bavarian: is
- Cimbrian: ist, iz
- Central Franconian: es
- Hunsrik: is
- German: ist
- Luxembourgish: ass
- Pennsylvania German: iss
- Yiddish: איז (iz)
- Proto-Norse: ᛁᛊᛏ (ist)
- Old Norse: es (early), er (-s replaced with -r by analogy to plural forms) (see there for further descendants)
- Gothic: 𐌹𐍃𐍄 (ist)