Verses with the word gathering in the New Testament (3 verses):

Matthew 25:24
Then he which had received the one talent came and said, Lord, I knew thee that thou art an hard man, reaping where thou hast not sown, and gathering where thou hast not strawed:

Acts 16:10
And after he had seen the vision, immediately we endeavoured to go into Macedonia, assuredly gathering that the Lord had called us for to preach the gospel unto them.

2 Thessalonians 2:1
Now we beseech you, brethren, by the coming of our Lord Jesus Christ, and by our gathering together unto him,