Where does “山原水鶏” come from?

山原水鶏 (Japanese) comes from Japanese 水鶏, from Japanese 食い, from Japanese 鯎, from Japanese 鵜 — a cormorant.

山原水鶏 (Japanese): the Okinawa rail, "Gallirallus okinawae"

Definitions

山原水鶏 traces back through two separate lines of ancestry.

Step	Language	Word	Meaning
1	Japanese	水鶏	the water rail, "Rallus aquaticus"
2	Japanese	食い	eating, grubbing up; bite
3	Japanese	鯎	the Japanese dace, also known as the big-scaled...
4	Japanese	鵜	a cormorant

Step	Language	Word	Meaning
1	Japanese	山原	a mountainous and forested area in the northern part of Okinawa Island
2	Japanese	原	meadow, plain, field; the original thing; the...
3	Old Japanese	原	—
4	Italian	-para	—