.Bottom Statement—Make Current Line the Bottom Line
The .bottom statement changes the current output line to the bottom line in the current block.
You can use the .bottom statement only while block mode is in effect (that is, after a .block statement, but before the corresponding .endblock statement). It moves the current output line to the current bottom line in the block. The character position on that line is one space beyond the last character printed on that line.
This statement has the following format:
.bottom | .bot