Where does “Dermot” come from?

Dermot is an English form of the Irish name Diarmaid, from Old Irish Diarmait, of uncertain origin and meaning.

Ancestry of “Dermot”, step by step

Step	Language	Word	Meaning
1	Irish	Diarmaid	—
2	Old Irish	Díarmait	—

Dermot — Etymology, Origin & Word History | Etymology Explorer