トナカイ

1811 is the early Japanese date for トナカイ in Shogakukan's Seisenban Nihon Kokugo Daijiten, which cites Shiba Kokan's Shunparo Hikki with トナカヒ in a note on Karafuto. Digital Daijisen says the word is from Ainu. Proposed Ainu forms include tunakkay and tunakay, and some etymological notes connect them with northern Nivkh or Gilyak forms. The borrowing route runs through Edo-period knowledge of Ezo and Karafuto, where northern animals and trade terms entered Japanese description. The kanji 馴鹿 gives a Chinese-style written form also read じゅんろく. Digital Daijisen gives a body height of about 1 to 1.4 meters and notes that both sexes have antlers. Northern Europe has long used reindeer for sleds, milk, meat, and hides. In modern zoology the species is Rangifer tarandus. Modern Japanese トナカイ covers the species in science, zoos, picture books, and Christmas goods. English reindeer often suggests Eurasian domesticated populations, while caribou is common for North American wild ones; Japanese usually uses トナカイ for both unless a specialist context needs カリブー. Example: サンタのトナカイ uses the same Japanese word as a zoo label in dictionaries today.