noun, の adjective
When you transmit something that unites the people, you are probably pulling on tradition. Tradition is what unites us all and transmits who we are to everyone else. What is your 伝統?
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
What Tyler is drinking is a traditional Irish beer.
In North America, there is a tradition of eating turkey on Thanksgiving.
What was the name of that traditional Japanese costume we saw yesterday? I completely forget the word.