Etymology
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lug (v.)
late 14c., "pull (something) slowly or with effort," from Scandinavian (compare Swedish lugga, Norwegian lugge "to pull by the hair"); see lug (n.). Related: Lugged; lugging.
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lug (n.)

a broad-meaning word used of things that move slowly or with difficulty, "of obscure etymology" [OED]. From 1620s as "handle of a pitcher," this sense probably from Scottish lugge "earflap of a cap; ear" (late 15c. and according to OED still the common word for "ear" in 19c. Scotland), which is probably from Scandinavian (compare Swedish lugg "forelock," Norwegian lugg "tuft of hair") and influenced by the verb. The connecting notion is "something that can be gripped and pulled."

Applied 19c. to mechanical objects that can be grabbed or gripped. Meaning "stupid fellow" is from 1924; that of "lout, sponger" is 1931, American English. Compare lug-nut (1869), nut closed at one end as a cap.

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lug-sail (n.)
1670s, probably from lug (n.) in some obscure sense; perhaps so called from the "ear" of sail formed by the oblique hang of the yard from the mast.
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lug-worm (n.)
type of large worm inhabiting muddy and sandy soil along seashores, also lugworm, 1802, with worm (n.) + lug, which by itself was the older name for the worm (c. 1600). This is perhaps from lug, noun or verb (on the notion of "heavy, clumsy"), or perhaps it is from a Celtic word (the first recorded use is in a Cornwall context).
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luggage (n.)
1590s, from lug (v.) "to drag" + -age; so, literally "what has to be lugged about" (or, in Johnson's definition, "any thing of more weight than value"). In 20c., the usual British word for "baggage belonging to passengers."
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lugger (n.)
"small two- or three-masted fishing or coasting boat" (also favored by smugglers), always with lug-sails, 1757, from lug-sail. Or else [OED] from Dutch logger, which is perhaps from Middle Dutch loggen "to fish with a dragnet."
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chug (n.)
1866, echoic of a working steam engine. As a verb, from 1884. Related: Chugged; chugging. Drinking sense attested by 1940s (chug-a-lug), probably imitative of the sound of swallowing.
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reluctance (n.)

1640s, "act of struggling against;" 1660s, "unwillingness, aversion;" from the obsolete verb reluct "to strive, struggle, or rebel against" (15c.), from Latin reluctari, reluctare "to struggle against, resist, make opposition," from re- "back, against, in opposition" (see re-) + luctari "to struggle, wrestle," from Proto-Italic *lukto-, from PIE *lug-to- "bent" (source also of Old Irish foloing "supports," inloing "connects;" Middle Welsh ellwng- "to set free;" Greek lygos "withy, pliant twig," lygizein "to bend, twist;" Gothic galukan "to shut," uslukan "to open;" Old English locc "twist of hair."

Related: Reluctancy (1620s.); Bacon (1605) has reluctation.

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Luger (n.)
type of German automatic pistol, 1904, from the surname of Georg Luger (1849-1923), Austrian-born firearms expert.
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Luganda 
Bantu language spoken in Uganda, from Ganda, indigenous people name, which is of unknown origin.
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