Time Taken for One Full Wavelength to Pass a Point

This page is the CodyCross answer for the clue below from Architectural Styles, Group 1165, Puzzle 5 (Forbidden City).

Question is: Time Taken for One Full Wavelength to Pass a Point

and the answer is: PERIOD

Word Meaning:

PERIOD — A length of time.

Definitions from Wiktionary.

Time Taken For One Full Wavelength To Pass A Point - Architectural Styles CodyCross Answers | CodyCross Solutions