This is the 15158th most frequent Russian word.
полусреднем
"Полусреднем" translates to "welterweight" (in sports, especially boxing or MMA) in English.
In this sentence, 'полусреднем' refers to a specific weight category in sports, particularly in boxing or wrestling.
Спортсмен выступает в полусреднем весе.
The athlete competes in the welterweight category.
Here, 'полусреднем' metaphorically describes a moderate level of knowledge or skill.
На полусреднем уровне знаний будет сложно пройти этот тест.
With an intermediate level of knowledge, it will be difficult to pass this test.
In this usage, 'полусреднем' refers to a moderate size, indicating something between small and large.