What part of speech is spelunked?

Spelunked can be categorized as a verb.

Parts of speech

• 1. spelunked is a verb, past participle of spelunk (infinitive).
• 2. spelunked is a verb, past simple of spelunk (infinitive).

Inflections

Verb

• Infinitive

  Present

  Simple Past

  Past Participle

  Gerund
• (to) spelunk 

  spelunk  / spelunks 

  spelunked 

  spelunked 

  spelunking 

• Infinitive: (to) spelunk 
• Present: spelunk  / spelunks 
• Simple Past: spelunked 
• Past Participle: (have) spelunked 
• Gerund: spelunking 

What does spelunked mean?