earliestform

noun
UK /ˈɜːliɪst fɔːm/
US /ˈɜːrliɪst fɔːrm/

The very first shape or kind of something.

The earliest form of the bicycle had no pedals.


OTHER MEANINGS

2. The oldest known written or recorded version of a word or text.

Scholars studied the earliest form of the poem.

3. The initial stage in the growth of a living thing.

A seed is the earliest form of a plant.

4. The first simple design of a tool or machine.

The earliest form of the telephone was very large.