sumachingn.

Brit.

/ˈs(j)uːmakɪŋ/,

/ˈʃuːmakɪŋ/, U.S.

/ˈsuˌmækɪŋ/,

/ˈʃuˌmækɪŋ/

Forms: 1700s– sumaching, 1800s– sumacing, 1800s– sumacking.

Origin: Formed within English, by derivation. Etymons: sumac v., -ing suffix¹.

Etymology: < sumac v. + -ing suffix¹.

Tanning and Dyeing. Now rare.

The action or process of soaking hides or cloth in a solution containing sumac; an instance of this.

ΘΚΠ

society > occupation and work > industry > working with specific materials > working with skins > [noun] > converting to leather

tawing1408

barkingc1440

tewc1440

tanneryc1460

tanning1481

tannage1662

bark-tanning1707

leach1779

sumaching1792

chrome-tanning1882

stocking1883

sumac tanning1932

1792 C. O'Brien Callico Printers' Assistant II. Of dunging In sumaching, proportion the drug to the course of the work.

1879 Chem. News 11 Nov. 239/1 A sumacking with 4 lbs. of sumac to 20 lbs. of cotton is of itself a sufficient mordanting to fix aniline colours excellently.

1920 Hide & Leather 6 Nov. 67/1 Sumaching also has the primary object of brightening the tannage and giving a leather that will readily take delicate colors.

2000 R. Chenciner Madder Red xi. 193 Next there was a succession of four sodium-carbonate baths, followed by washing, galling or sumaching, aluming and a final clean.

This entry has been updated (OED Third Edition, September 2019; most recently modified version published online March 2022).

单词	sumaching
释义	sumachingn. Brit. /ˈs(j)uːmakɪŋ/, /ˈʃuːmakɪŋ/, U.S. /ˈsuˌmækɪŋ/, /ˈʃuˌmækɪŋ/ Forms: 1700s– sumaching, 1800s– sumacing, 1800s– sumacking. Origin: Formed within English, by derivation. Etymons: sumac v., -ing suffix¹. Etymology: < sumac v. + -ing suffix¹. Tanning and Dyeing. Now rare. The action or process of soaking hides or cloth in a solution containing sumac; an instance of this. ΘΚΠ society > occupation and work > industry > working with specific materials > working with skins > [noun] > converting to leather tawing1408 barkingc1440 tewc1440 tanneryc1460 tanning1481 tannage1662 bark-tanning1707 leach1779 sumaching1792 chrome-tanning1882 stocking1883 sumac tanning1932 1792 C. O'Brien Callico Printers' Assistant II. Of dunging In sumaching, proportion the drug to the course of the work. 1879 Chem. News 11 Nov. 239/1 A sumacking with 4 lbs. of sumac to 20 lbs. of cotton is of itself a sufficient mordanting to fix aniline colours excellently. 1920 Hide & Leather 6 Nov. 67/1 Sumaching also has the primary object of brightening the tannage and giving a leather that will readily take delicate colors. 2000 R. Chenciner Madder Red xi. 193 Next there was a succession of four sodium-carbonate baths, followed by washing, galling or sumaching, aluming and a final clean. This entry has been updated (OED Third Edition, September 2019; most recently modified version published online March 2022). < n.1792
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