Trousers that end at the knee are commonly referred to as "capris" or "cropped pants." They provide a stylish and comfortable option for warmer weather while offering a more tailored look than shorts. In some contexts, they may also be called "knee-length trousers" or "Bermuda shorts," depending on the specific style and fit.
Breeches are trousers that come down to the knee
they are trousers ending above the knee.
Knickerbockers.
the word knickerbocker can mean 2 different things. with a lowercase 2 its means trousers that end before the knee. with a capital K it means a American pop/rock group remebered for their 1965 hit "lies"
trousers made from wool and a tunic which was knee height
Scottish trousers are typically called "kilts." Kilts are traditional Scottish attire that consist of a knee-length skirt-like garment with pleats at the back, often worn during formal occasions or traditional events.
Breeches are fitted trousers that end just below the knee, while jodhpurs are longer trousers that extend down to the ankle. Jodhpurs also typically have a stirrup strap that goes under the foot to prevent the fabric from riding up. Both are traditionally worn for horseback riding.
In German, trousers are called "Hose."
They are just Low Crotch Pants/Trousers.
Bombacha
A garment worn by men and boys, extending from the waist to the knee or to the ankle, and covering each leg separately.
corsets, long heavy skirts but later some women protested this by wearing a skirt cut 4 inches below the knee over Turkish trousers, this was called the bloomer dress.