```
scala> :power
Power mode enabled. :phase is at typer.
import scala.tools.nsc._, intp.global._, definitions._
Try :help or completions for vals._ and power._

scala> val t = TermName("abcdefghijklmnopqrstuvwxyz")
t: $r.intp.global.TermName = abcdefghijklmnopqrstuvwxyz

scala> t.subName(0, 25)
res0: $r.intp.global.TermName = abcdefghijklmnopqrstuvwxy

scala> res0.start
res1: Int = 474232

scala> t.start
res2: Int = 474232
```