Where does “ARPAbet” come from?

ARPAbet (English) comes from English alphabet, from Middle English alphabete.

ARPAbet (English): A set of phonetic transcription codes developed by the Advanced Research Projects Agency (ARPA)

Definitions

  1. A set of phonetic transcription codes developed by the Advanced Research Projects Agency (ARPA)

Ancestry of “ARPAbet”, step by step

ARPAbet traces back through two separate lines of ancestry.

via English alphabet

StepLanguageWordMeaning
1EnglishalphabetThe set of letters used when writing in a...
2Middle Englishalphabete—

via English ARPA

StepLanguageWordMeaning
1EnglishARPA—
Every word from Middle English alphabete →Every word from English alphabet →