Threshold ! We RRR(999) Hear >:) Yee-Haww! With JOY! DAD

thresh·old

ˈTHreSHˌ(h)ōld/

noun

1. 1. 

   a strip of wood, metal, or stone forming the bottom of a doorway and crossed in entering a house or room.

   synonyms:

   doorstep, doorway, entrance, entry, door, gate, gateway, portal, doorsill "the threshold of the church"
2. 2. 

   the magnitude or intensity that must be exceeded for a certain reaction, phenomenon, result, or condition to occur or be manifested.

   "nothing happens until the signal passes the threshold"