This Is Stepped Over Upon Entering a Building

This page is the CodyCross answer for the clue below from The 80s, Group 785, Puzzle 4 (Pez Dispensers).

Question is: This Is Stepped Over Upon Entering a Building

and the answer is: THRESHOLD

Word Meaning:

THRESHOLD — The lowermost part of a doorway that one crosses to enter; a sill.

Definitions from Wiktionary.