This is the 2190th most frequent Japanese word.
流し
"流し" (nagashi) refers to a "sink" or "flowing" in contexts such as water flow or a kitchen sink.
Here, '流し' refers to the kitchen sink, a common usage indicating the area where dishes and utensils are washed.
彼はキッチンの流しをきれいにしました。
He cleaned the sink in the kitchen.
In this sentence, '流し' is part of '涙を流す', meaning to shed tears, showing the verb '流す' usage in emotional contexts.
彼女は涙を流した。
She shed tears.
Here, '流している' comes from the verb '流す', meaning to flow or pour, describing the movement of water.