"moist, liquid," from P.Gmc. *wætaz
(cf. O.Fris. wet
). Also from the O.N. form, vatr.
All related to water
. The verb is O.E. wætan
"to be wet." Wet blanket
"person who has a dispiriting effect" is recorded from 1879, from use of blankets drenched in water to smother fires (the phrase is attested in this literal sense from 1662). All wet
"in the wrong" is recorded from 1923, Amer.Eng.; earlier simply wet
"ineffectual," and perhaps ult. from slang meaning "drunken" (c.1700). Wet-nurse
is from 1620; wet dream
is from 1851; wetback
"illegal Mexican immigrant to the U.S." is attested from c.1924, from notion of wading the Rio Grande.