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
infrequency (n.)
c. 1600, from Latin
infrequentia
"a small number, thinness, scantiness," noun of quality from
infrequentem
(see
infrequent
). Related:
Infrequence
(1640s).