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
cam (n.1)
"a projecting part of a rotating machinery," 1777, from Dutch
cam
"cog of a wheel," originally "comb;" cognate of English
comb
(n.). This might have combined with English
camber
"having a slight arch;" or the whole thing could be from
camber
.
cam (n.2)
abbreviation of
camera
, by 1990.