Samidare ni tamae no mizu ya masaruramu ashi no shitaba no kakure yuku kana - Kinyo Wakashu(English Translation & Meaning)

五月雨に玉江の水やまさるらむ
葦の下葉の隠れゆくかな

Roma-ji: Samidare ni tamae no mizu ya masaruramu ashi no shitaba no kakure yuku kana
English Translation: In the early summer rain
the waters of Tamae
must be rising high,
for the lower leaves of reeds
are one by one hidden away
Meaning: Are the waters of Tamae rising in the early summer rain? The lower leaves of the reeds are slipping out of sight.
Commentary: Book Two Summer Poems 137

Seeing the lower leaves of the reeds gradually vanish beneath the water, the poet surmises that the waters of Tamae must be rising with the summer rain. From the visible change in the reeds, he grasps the swelling of the waters.
From poem 135 through poem 140 in this book come poems on the early summer rains, depicting how the long, unceasing rain swells the waters and sinks the landscape beneath them.

First line, 'samidare ni', means because of the summer rains, giving the cause.
Second line, 'tamae no mizu ya', takes Tamae, a poetic bay that also appears in poem 130 in this book; ya binds with ramu in the third line.
Third line, 'masaruramu', means are they rising, ramu conjecturing the cause. The poem breaks after the third line. Like 'the waters seem to rise' in the next poem, 138, it surmises the rising water.
Fourth line, 'ashi no shitaba no', is the lower leaves of the reeds.
Final line, 'kakure yuku kana', means they are being hidden, presenting the scene before the poet's eyes as the ground for his guess.
Source: Kinyo Wakashu
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