Green’s Dictionary of Slang

charas n.

(drugs) hashish.

[1858		Harper’s Mag. Apr. n.p.: The churrus of Herat, which is one of the most powerful species of the narcotic, is obtained by pressing the plant in cloths].
1885		R.F. Burton [trans.] Arabian Nights IV 31: These electuaries are usually prepared with ‘Charas,’ or gum of hemp, collected by hand or by passing a blanket over the plant in early morning, and it is highly intoxicating.
1907		D. French Marches of Hindustan 220: In Chinese Turkestan charas is very popular, and drives a good number of natives to the devil annually.
1910		R.L. Kennion Sport and Life in Further Himalaya 205: These men had left Yarkand in the spring, with a caravan of charas and silk.
1921		G.A. Hrklots [trans.] Sharīf Islam in India 38: In the Panjab Shī‘as smoke tobacco in a clay bowl (chilam), but the Mullās of the Sunnī Pathāns discourage smoking and the use of Charas.
1922		E. Murphy Black Candle 332: The hemp resin for smoking and chewing comes in three forms – chang, ganja and charas.
1935		A.J. Pollock Und. Speaks 20/1: Charas, an inexpensive substitute for opium made principally from mariahuana [sic] and aromatic drugs.
[1937		E. Stanley ‘Marihuana As A Developer Of Criminals’ n.p.: In India, the resinous substance which exudes from the flowering head of the female plant is called ‘chearris’, and is either smoked or taken in pills or in confections].
1959		J.E. Schmidt Narcotics Lingo and Lore.
1969		R.R. Lingeman Drugs from A to Z (1970).
1971		‘Hassan-i-Sabbah’ Leaves of Grass 21: The highest grade of charas is about the strongest hash going [...] Charas is the resin of carefully selected female plants, scraped only from the upper leaves.
1980		S. McConville ‘Prison Language’ in Michaels & Ricks (1980) 525: Cannabis is also known to prisoners by the names given to it in the different places in which it is cultivated: charas (India), [etc.].
2001		ONDCP Street Terms 5: Charas — Marijuana from India [...] Churus — Marijuana.
2006		www.roadjunky.com 🌐 Charas is the hand-rolled hashish of India and is an integral part of the country’s ancient culture.

In derivatives

char(a)si [ Hind. चरसी (carsī)]

a hashish, occas. marijuana smoker.

1896		S.J. Stone In and Beyond the Himalayas 6: He was, he said, a charasi, — a smoker of the hemp drug,.
1920		L. Thomas Beyond Khyber Pass 59: [T]he coughing of the charasi beats an irregular rhythm. He coughs and coughs and coughs, so that he has no time to do anything else. He does not talk ; certainly he does not think. In the end he is taken to an asylum, where he finds a row of charasis and joins the chorus of cougher.
2000		M. Hamid Moth Smoke 176: ‘Is it true you’re selling charas now?’ [...] I hear Pickles cry, ‘No fighting, no fighting.’ ‘Bloody charsi,’ Asim yells .