Origin of shamrockIrish seamrog, diminutive of seamar, clover
- A plant having compound leaves with three small leaflets, especially a clover or wood sorrel.
- The compound leaf of one of these plants.
- A representation of one of these plants or leaves, used as a national emblem of Ireland.
Origin of shamrockIrish Gaelic seamróg diminutive of seamar clover from Middle Irish semar probably akin to Old Norse smári clover and of non-Indo-European substrate origin
From Irish seamrÃ³g, diminutive of seamar (“clover").