What does "welch" mean in English?

"welch" means which or what. It is a German determiner.

What part of speech is "welch"?

"welch" is a determiner in German.

DETERMINER

welch is a German determiner that means which or what.

1.used to ask which person or thing is meant(interrogative determiner)

a.asking for specification among several options

Welch ein schöner Tag!—What a beautiful day!

b.asking for clarification about someone or something

Welches Buch möchtest du lesen?—Which book would you like to read?

What does "welch" mean in English?: "welch" means which or what. It is a German determiner.
What part of speech is "welch"?: "welch" is a determiner in German.