Manx origin
Source-reportedVariant of English and Manx Kermode, cognate with Irish Mac Diarmata and Scots Gaelic McDiarmid (“son of Dermot”). Popularized in the US by the naming of Kermit Roosevelt (after a Manx ancestor). The computing sense is named after the Sesame Street character, but later provided with a backronym ("KL10 Error-Free Reciprocal Microprocessor Interchange over TTY").
Sources for this account (1)
- Wiktionary: KermitCC-BY-SA-4.0 · retrieved 2026-10-15

