I think this word means: To waste frivolously.

Actual definition: fetter \FET-uhr, noun:

1. A chain or shackle for the feet; a bond; a shackle.
2. Anything that confines or restrains; a restraint.

transitive verb:
1. To put fetters upon; to shackle or confine.

2. To restrain from progress or action; to impose restraints on; to confine.

Remark: Oh really! I didn’t know that word as well as I thought I did.