虎杖

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Chinese

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

Noun

虎杖

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

Synonyms

Dialectal synonyms of 虎杖 (“Japanese knotweed”)
Variety Location Words
Formal (Written Standard Chinese) 虎杖
Taxonomic name 虎杖
Northeastern Mandarin Taiwan 虎杖
Cantonese Hong Kong 虎杖
Gan Lichuan 酸梗
Southern Min Xiamen 血三七

Descendants

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

Japanese

Kanji in this term
虎 杖
いたどり
Grade: S Jinmeiyō
jukujikun
 イタドリ on Japanese Wikipedia

Etymology

Uncertain. One explanation is that it is a blend of 痛(いた)み (itami, “pain”) + 取(と)り (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

Noun

虎杖(いたどり) or 虎杖(イタドリ) • (itadori) 

  1. Japanese knotweed (Reynoutria japonica, syn. Polygonum cuspidatum)
    Synonym: 酸模 (sukanpo)

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.

See also

Wikious
Boobota
Sagapedia