er ziemt

is proper, is fitting

verb · 3rd-person singular, present tense Rare #49,213
is proper, is fitting Formal or literary; often used in the phrase „es ziemt sich“ (it is proper).
GE: Das ziemt sich nicht.
EN: That isn’t proper.

So ziemt es einem großen König.

That's how a great king should behave.

— Henry V (1989)

Es ziemt sich nicht, dass ihr das tut.

It is not fitting for you to do this.

Das ziemt sich dir.

That's fitting for you.

Es ziemt sich nicht, dass du das tust.

It is not proper for you to do so.