mavournin

ma·vour·neen

also ma·vour·nin  (mə-vo͝or′nēn′)
n. Irish
My darling.

[Irish Gaelic mo mhuirnín : mo, my (from Old Irish; see me-1 in the Appendix of Indo-European roots) + muirnín, darling, diminutive of muirn, delight (from Old Irish, tumult, revels).]