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
butyl (n.)
[butyl 词源字典]
hydrocarbon radical, 1868, from
butyric acid
, a product of fermentation found in rancid butter, from Latin
butyrum
"butter" (see
butter
(n.)).
[butyl etymology, butyl origin, 英语词源]