woad

• n. 菘蓝；靛蓝
• vt. 用靛蓝染

来自古英语wad,靛蓝植物，词源可能同vitriol,蓝矾。

woad (n.)

Old English wad "woad," also the blue dye made from its leaves, from Proto-Germanic *waido- (cognates: Danish vaid, Old Frisian wed, Middle Dutch wede, Dutch wede, Old High German weit, German Waid "woad"), perhaps cognate with Latin vitrium "glass" (see vitreous). Formerly much cultivated; since superseded by indigo. French guède, Italian guado are Germanic loan-words.

1. A blue dyestuff can be obtained from the woad plant.

菘蓝属植物可以造蓝色染料.

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2. Old World genus of annual to perennial herbs: woad.

一个一年至多年生旧大陆草本属; 菘蓝靛蓝.

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