"jas" is de: de jas (jacket). This one you just learn — no rule points to de here. The plural is de jassen.

Is it de or het jas?

de jas

de-word

jacket

/də jɑs/

Plural

de jassen

Why de

This one you just learn — no rule points to de here.

In a sentence

Trek je jas aan.

Put on your jacket.

More de-words

The de/het checker covers one word. The full platform covers vocabulary, grammar and all five DUO sections.