虎杖

Chinese

tiger cane, walking stick
trad. (虎杖)
simp. #(虎杖)

Pronunciation


Noun

虎杖

  1. (traditional Chinese medicine) Japanese knotweed (Reynoutria japonica, syn. Polygonum cuspidatum, an herb used as a natural laxative)

Synonyms

Descendants

Sino-Xenic (虎杖):
  • Korean: 호장(虎杖) (hojang)

Japanese

Kanji in this term
いたどり
Grade: S Jinmeiyō
jukujikun

Etymology

Uncertain. One explanation is that it is a blend of (いた) (itami, pain) + () (tori, removal); alluding to the plant's medicinal value. The tori changes to dori as an instance of rendaku (連濁).

The kanji is an instance of jukujikun (熟字訓).

Pronunciation

  • (Tokyo) たどり [ìtádórí] (Heiban – [0])
  • (Tokyo) どり [ìtáꜜdòrì] (Nakadaka – [2])
  • IPA(key): [ita̠do̞ɾʲi]

Noun

虎杖(いたどり) or 虎杖(イタドリ) • (itadori) 

  1. Japanese knotweed (Reynoutria japonica, syn. Polygonum cuspidatum)

Usage notes

As with many terms that name organisms, this term is often spelled in katakana, especially in biological contexts (where katakana is customary), as イタドリ.

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