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
preventative (adj.)
[preventative 词源字典]
1650s, from
prevent
+
-ative
. OED points out that
preventive
is better-formed. As a noun, from 1774.
[preventative etymology, preventative origin, 英语词源]