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
co-op (n.)
[co-op 词源字典]
1861, abbreviation of
cooperative
. The hyphen is needed to avoid confusion with
coop
(n.).
[co-op etymology, co-op origin, 英语词源]