Nagai suru ama no shiwaza to miru kara ni sode no ura ni mo mitsu namida kana - Kinyo Wakashu(English Translation & Meaning)

長居する海人のしわざと見るからに
袖の浦にも満つ涙かな

Roma-ji: Nagai suru ama no shiwaza to miru kara ni sode no ura ni mo mitsu namida kana
English Translation: As soon as I see
it is the work of the fisherfolk
who linger so long,
even the Bay of Sleeves fills
with tears like the rising tide
Meaning: As soon as I see that it is the doing of the fisherfolk who linger on, tears flood even my sleeves like the tide filling the Bay of Sleeves.
Commentary: Book Nine Miscellaneous Poems I 552

As soon as the poet sees that it is the work of the fisherfolk who linger on, tears fill the sleeves as the tide fills the Bay of Sleeves. Drawing on the labors of the fisherfolk, the poem sings of a heart moved to tears by someone's conduct, and it can be read as an answer to the preceding poem, 551.
Like the preceding poem, 551, it strings together words of the shore to express parting and sorrow. Sode no ura, the Bay of Sleeves, is a famous place in Dewa, used here as a word for sleeves wet with tears.

First line, 'nagai suru', means lingering long.
Second line, 'ama no shiwaza to', means as the doing of the fisherfolk, their work of fishing.
Third line, 'miru kara ni', means as soon as I see, the particle karani leading to an immediate result.
Fourth line, 'sode no ura ni mo', means even in the Bay of Sleeves, overlaying the famous place in Dewa with sleeves wet with tears.
Final line, 'mitsu namida kana', means ah, the tears that fill, overlaying the rising tide with overflowing tears and closing with the exclamatory kana. Mitsu is tied to ura, bay, in the fourth line.
Source: Kinyo Wakashu
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