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
assiduity (n.)
[assiduity 词源字典]
early 15c., from Latin
assiduatem
"continual presence," noun of quality from past participle stem of
assiduus
(see
assiduous
).
[assiduity etymology, assiduity origin, 英语词源]
[assiduity 词源字典]