rid
For the verb: "to rid"
| Simple Past: | rid |
| Past Participle: | rid |
Concise Oxford English Dictionary © 2008 Oxford University Press:
rid/rɪd/
▶verb (rids, ridding; past and past part. rid or archaic ridded) (rid someone/thing of) make someone or something free of (an unwanted person or thing).
■ (be (or get) rid of) be freed or relieved of.
– origin ME (orig. ‘clear (land)’): from ON rythja.
'rid' also found in these Oxford entries:

