also sugarcoat, 1870, originally of medicine; figuratively, "make more palatable," from 1910; from sugar (n.) + coat (v.). Related: Sugarcoated; sugarcoating.

"backpack, bag carried on the back by walkers," 1866, from German Rucksack, from Alpine dialect Rück "the back" (from German Rücken; see ridge) + Sack "sack" (see sack (n.1)).

"biological pocket or receptacle," 1741, from French sac, from Latin saccus "bag" (see sack (n.1)). English sack for "a sack-like part of the body" is from mid-14c.

1711, Anglo-Indian goney name of a strong, coarse fabric made from jute or hemp, from Hindi goni, from Sanskrit goni "sack." Gunny sack attested by 1862.

also rain-coat, "coat worn as protection against rain," 1821, from rain (n.) + coat (n.).

c. 1600, from Low German Knapsack (16c.), probably from knappen "to eat" literally "to crack, snap" (imitative) + Sack "bag" (see sack (n.1)). Similar formation in Dutch knapzak.

1735, from French havresac (1670s), from Low German hafersach "cavalry trooper's bag for horse provender," literally "oat sack," from the common Germanic word for "oat" (see haver (n.1)) + sack (n.1).

"large coat worn over ordinary clothing," 1802, from over- + coat (n.). Earlier words include overcloth "an outer garment" (late 14c.); overgarment "outer coat" (late 15c.).

"small sack or bag," mid-14c., sachel, from Old French sacel, sachel and directly from Late Latin saccellus, saccellum "money bag, purse," diminutive of Latin sacculus, itself a diminutive of saccus "bag" (see sack (n.1)).

1510s, "lowest internal part of a ship," also used of the foulness which collects there; variant of bulge "ship's hull," also "leather bag," from Old North French boulge "leather sack," from Late Latin bulga "leather sack," apparently from Gaulish bulga (see bulge (n.), and compare budget (n.)).