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
irregularity (n.)
early 14c., "violation of Church rules," from Old French
irregularité
(14c.) and directly from Medieval Latin
irregularitas
, from
irregularis
(see
irregular
). Meaning "state of being not regular" is from 1590s.