Unscramble Sitherto

What is the meaning of word sitherto unscrambled?

What 8 letter words can be made from letters S I T H E R T O:

1. theorist - Definition of theorist

2. thorites - Definition of thorites

Make more words by adding or removing letters

How many 7 letter words can you make from letters S I T H E R T O?

1. heriots - Definition of heriots

2. hitters - Definition of hitters

3. hoister - Definition of hoister

4. hotties - Definition of hotties

5. shitter - Definition of shitter

6. shortie - Definition of shortie

7. thorite - Definition of thorite

8. tithers - Definition of tithers

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter S and unscrambling itherto
2) Removing the letter I and unscrambling stherto
3) Removing the letter T and unscrambling siherto
4) Removing the letter H and unscrambling siterto
5) Removing the letter E and unscrambling sithrto
6) Removing the letter R and unscrambling sitheto
7) Removing the letter T and unscrambling sithero
8) Removing the letter O and unscrambling sithert

More anagrams containing the letters S I T H E R T O
sithetor sithetro rtihetso ioehtsrt