Where does “sinchán” come from?

sinchán (Middle Irish) comes from Middle Irish -án, from Old Irish -án, from Primitive Irish -ᚐᚌᚅᚔ, from Proto-Celtic *-agnos.

Ancestry of “sinchán”, step by step

StepLanguageWordMeaning
1Middle Irish-ándiminutive suffix
2Old Irish-ándiminutive suffix
3Primitive Irish-ᚐᚌᚅᚔdiminutive suffix
4Proto-Celtic*-agnos—
Every word from Proto-Celtic *-agnos →Every word from Old Irish -án →Every word from Middle Irish -án →