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
trichotomy
[trichotomy 词源字典]
"A division into three categories", 17th century: from Greek
trikha
'threefold' from
treis
'three', on the pattern of
dichotomy
.
[trichotomy etymology, trichotomy origin, 英语词源]
[trichotomy 词源字典]