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back-draught
back-draught n. 
/ˈbakdraft/,
Brit. /ˈbakdrɑːft/
, /ˈbakdrɑːft//ˈbakdraft/U.S. /ˈbækˌdræft/
(a) a draught of air backward, a hood for producing this in a fire; (b) a drawing in of the breath; an act of drinking or gulping down Scottish; (c) a reverse current of water, under-tow./ˈbækˌdræft/ΘΚΠ
the world > the earth > water > flow or flowing > current > [noun] > reverse
back-draught1825
backwater1830
the world > matter > properties of materials > temperature > heat > heating or making hot > that which or one who heats > [noun] > a device for heating or warming > devices for heating buildings, rooms, etc. > chimney > plate or hood to control draught
cowc1736
hood1750
damping1756
damper1788
air damper1794
cowl1812
back-draught1825
mitre1890
1825 J. Jamieson Etymol. Dict. Sc. Lang. Suppl. at Back He was whaslin like a blastit stirk i' the backdraucht.
1869 Eng. Mech. 24 Dec. 344/1 A hood or ‘back draught’ is applied over the fire.
1874 G. M. Hopkins Note-bks. & Papers 13 Aug. (1937) 202 It [sc. the wave] commonly has a pitch or lurch to one side besides its backdraught.
1887 W. Morris tr. Homer Odyssey I. v. 97 The back-draft mightily Fell on him, and..drave him out to sea.
1887 W. Morris tr. Homer Odyssey I. xii. 218 Nor happen thou upon her [sc. Charybdis] when the back-draught she doth win.
1922 J. B. Salmond Bawbee Bowden xii. 104 Wi' the backdraucht [he] sent a moofu' o' tea up throo his nose.
back-draught
(i) expressing backward direction, as back-bias, back-draught (see 2).
ΘΚΠ
the world > movement > motion in a certain direction > backward movement > [noun] > cause of movement backwards
back-biasa1617
a1617 P. Baynes Comm. Ephes. (1658) 130 Youthful lusts..like a back-bias, did draw after themselves the understanding.
1642 D. Rogers Naaman 550 He doth but put a back-bias upon thee; that he might weigh thy motion to himselfe.
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