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
octagonal (adj.)
[octagonal 词源字典]
1570s, from
octagon
+
-al
(1).
[octagonal etymology, octagonal origin, 英语词源]