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单词 pala
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palan.1

Brit. /ˈpɑːlə/, U.S. /ˈpɑlə/
Origin: Of multiple origins. Partly a borrowing from Malayalam. Partly a borrowing from Telugu. Partly a borrowing from Tamil. Etymons: Malayalam pāla; Telugu pāla; Tamil pālai.
Etymology: Partly < Malayalam pāla and its cognate Telugu pāla, and partly < Tamil pālai (usually also pronounced as pāla ), name applied to several plants with milky sap, respectively < Malayalam pāl and Tamil pāl animal or vegetable milk. Compare palay n.1
A small Indian tree, Wrightia tinctoria (family Apocynaceae), with white wood and a milky sap. pala indigo n. a kind of indigo obtained from the leaves of this tree; (also) the tree itself.
ΚΠ
1858 P. L. Simmonds Dict. Trade Products 272/1 Pala, a name in India for the Wrightia tinctoria, from which a species of indigo is obtained.
1951 Dict. Gardening (Royal Hort. Soc.) IV. 2290/2 Wrightia tinctoria. Pala indigo plant. Small, glabrous tree.
1986 P. V. Bole & Y. Vaghani Field Guide Common Trees of India 85 Pala Indigo. Wrightia tinctoria... Leaves: Opposite, milky, several times longer than broad... Common in deciduous forests all over India.
2003 www.rainwaterharvesting.org 7 Mar. (O.E.D. Archive) Nair knows that there is water where there are pala trees (trees with white milky sap).
This entry has been updated (OED Third Edition, March 2005; most recently modified version published online June 2022).

palan.2

Brit. /ˈpɑːlə/, U.S. /ˈpɑlə/
Inflections: Plural palae.
Origin: A borrowing from Latin. Etymon: Latin pala.
Etymology: < post-classical Latin pala shovel-shaped or scoop-shaped structure forming an extension of the tarsus of the foreleg in certain aquatic heteropteran insects (1851 or earlier) < classical Latin pāla spade, of uncertain origin (see note).Ancient etymologists derived classical Latin pāla from the stem of pangere to fasten, fix (see page n.2) and this view is accepted by some modern scholars, but not by all.
Entomology.
A shovel-shaped or scoop-shaped structure; spec. one forming an extension of the tarsus of the foreleg in certain aquatic heteropteran insects, used chiefly in feeding and (by the male) in mating.
ΘΚΠ
the world > animals > invertebrates > phylum Arthropoda > class Insecta > subclass Pterygota > [noun] > division Exopterygota or Hemimetabola > order Hemiptera > suborder Heteroptera > member of > aquatic bug or tarsal joint of
water bug1745
pala1865
needle-bug1896
1865 J. W. Douglas & J. Scott Brit. Hemiptera I. 596 [Corixa affinis] Very like C. Panzeri, but smaller, and different in the marking of the pronotum, and the form of the palæ.
1892 E. Saunders Hemiptera Heteroptera Brit. Islands 336 C[orixa] Fallenii... The palæ of the male are truncate at the base.
1906 J. B. Smith Explan. Terms Entomol. 95 Pala, the shovel-shaped tarsal joints in many aquatic Heteroptera.
1970 T. E. Woodward et al. in Insects Austral. (C.S.I.R.O.) xxvi. 390/1 The fore legs of corixids are short, and the tarsus modified as a hair-fringed scoop or pala for particle feeding.
1991 Freshwater Forum 1 74 One of those specimens possessed a pala with a marked proximal curve in the distal row of pegs.
This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022).
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