Tongue: Language
Source: Nav
Genesis 10:5, 20
From these, the maritime peoples separated into their territories, according to their languages, by clans within their nations. / These are the sons of Ham according to their clans, languages, lands, and nations.
Isaiah 66:18
“And I, knowing their deeds and thoughts, am coming to gather all nations and tongues, and they will come and see My glory.
Revelation 7:9
After this I looked and saw a multitude too large to count, from every nation and tribe and people and tongue, standing before the throne and before the Lamb. They were wearing white robes and holding palm branches in their hands.