Translation according to P. W. Joyce:
Cornananta in Galway; Cor-na-neannta, round hill of the nettles. See Neannta, vol. ii. p. 332 [reproduced below].
Nettle. The simple word for the common nettle is neanta [nanta]. The forms assumed by this word in the end of names are easily detected, for they are generally nanta, or the single syllable nant. Cappananty is the name of a place in the parish of Corcomohide in Limerick; and about three miles south-east of Limerick city is a place called Knocananty, the first signifying the plot, and the second the hill, of the nettles. Near Kesh in Fermanagh, there is a townland called Ballynant, which has the same meaning at Ballynanty in Limerick, and Ballinanty in Wicklow, viz., the townland of the nettles. The word takes the diminutive termination óg (p. 29) in Kilnantoge in the parish of Consast in the east of King's County, the wood of nettles. And it takes the diminutive termination nán (p. 33) in Nantinan, the name of a townland near Killorglin in Kerry, and of a townland and parish near Askeaton in Limerick, this name signifying a place abounding in nettles.