Inamino wa yukisuginu rashi amazutau hikasa no ura ni nami tateri miyu

印南野は行き過ぎぬらし天伝ふ
日笠の浦に波立てり見ゆ

Roma-ji: Inamino wa yukisuginu rashi amazutau hikasa no ura ni nami tateri miyu
English Translation: The plain of Inami
we must have now passed it by;
in Hikasa Bay,
where the heaven-crossing sun is,
I see the waves are rising
Meaning: We must have passed the plain of Inami by now—in Hikasa Bay, named for the sun that crosses heaven, I see the waves rising.
Commentary: Book Seven Miscellaneous Poems 1178

Headnote continued from the preceding poem: "Composed on Journeys"
Seeing waves rise in Hikasa Bay, the poet realizes that the boat must already have passed the waters off the plain of Inami. Checking the progress of the voyage by landmarks seen from the sea, the poem conveys the feel of travel by ship.
It is one of the poems composed on journeys, singing of a voyage across the Harima sea. The text adds a variant, "One version says: we must have rowed past Shikama Bay," showing that some copies gave Shikama Bay as the landmark. The poet is unknown.

The first line names Inami Plain along the Kako River in Harima.
In the second line, "rashi" expresses inference, and the poem pauses here.
The third line uses "amazutau," the sun traveling across the sky, as a pillow word for "hi" (sun), the first syllable of Hikasa.
The fourth line names Hikasa Bay in Harima.
The final line, "I see the waves are rising," gives the evidence for the inference of the second line.
Source: Manyoshu
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