蓼

Han character

 * 1) smartweed, polygonum

Glyph origin
.

Definitions

 * 1) knotweed; smartweed
 * 2)  difficulty; hardship

Definitions

 * 1)  tall

Etymology
From, possibly from on the basis of the obsolete noun , in spite that very few Ryukyuan cognates exist and the first attestation of the compound was in the mid-Heian period.

Attested in the of 759.

Noun

 * 1) knotweed ; jointweed, smartweed
 * 2) water pepper

Noun

 * 1) knotweed

Noun

 * 1) knotweed