Why is it das Establishment?

Establishment ends in -ment, and nouns ending in -ment are neuter: in a German dictionary, 97% of them take das.

All nouns ending in -ment
Sense 1
das

Meaning

[1] Social layer of society, which is well situated/established and has an impact in many areas

[1] soziale Schicht der Gesellschaft, die gut situiert/etabliert ist und in vielen Bereichen Einfluss hat

Examples

[1] "In times of triumphant populism and the attacks on political establishment, you prefer to make yourself very small when it comes to eating"

[1] „In Zeiten des triumphierenden Populismus und der Angriffe auf das politische Establishment macht man sich lieber ganz klein, wenn es ums Essen geht.“

[1] "Protest was now a good tone, up to the so-called establishment, opera and theater public" "

[1] „Protest gehörte nun zum guten Ton, bis hinein ins sogenannte Establishment, Opern- und Theaterpublikum.“

Declension

1 Singular Plural
Nominativ das Establishment die Establishments
Genitiv des Establishments der Establishments
Dativ dem Establishment den Establishments
Akkusativ das Establishment die Establishments

Pronunciation

Dictionary entries include material from Wiktionary. Wiktionary