penteteric

penteteric /pen-ti-terˈik/

adjective

Occurring every fourth (or by the old mode of reckoning, fifth) year

ORIGIN: Gr pentetērikos, from etos a year

* * *

penteteric, a. Gr. Antiq.

(pɛntɪˈtɛrɪk)

[ad. Gr. πεντετηρικός.]

Occurring every fifth year (according to modern reckoning, every fourth, both of two consecutive occurrences being counted), as the greater Panathenæa at Athens.

in Cent. Dict.