Why is it das Xi?
No ending, compound or meaning rule gives away the article of Xi, so learn the two together: das Xi.
das
Meaning
[1] Greek letter with the same sound value as the German X [KS] Ääe fourteenth letter of the Greek alphabet
[1] griechischer Buchstabe mit demselben Lautwert wie das deutsche X [ks]; vierzehnter Buchstabe des griechischen AlphabetsExamples
[1]
[1]
Declension
| 1 | Singular | Plural |
|---|---|---|
| Nominativ | das Xi | die Xis |
| Genitiv | des Xi des Xis | der Xis |
| Dativ | dem Xi | den Xis |
| Akkusativ | das Xi | die Xis |
Pronunciation
Dictionary entries include material from Wiktionary. Wiktionary