Search:
Search Mode
Natural Language
Find single term
Find any term
Find exact phrase
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
triennial
1640, "lasting three years;" 1642 in the sense of "occurring every three years," from L.
triennium
"three-year period," from
tri-
"three" +
annus
"year" (see
annual
).