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
hexad
"A group or set of six", Mid 17th century (denoting a series of six numbers): from Greek
hexas
,
hexad-
, from
hex
'six'.