quword
趣词
Word Origins Dictionary
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
grounds (n.)
[grounds 词源字典]
"residue at the bottom of a liquid," mid-14c., perhaps from past tense of
grind
(v.). Other senses, such as "enclosed portion of land" (mid-15c.) are from
ground
(n.).
[grounds etymology, grounds origin, 英语词源]