A name of the Teleri as lovers of the sea (WJ/411). It is a compound of nén “water” and the plural form of the suffix -(n)dil “-lover”. It is similar in origin to their other name Falmari.
Quenya
Nendili
water-lovers
nendili
collective name. Water-lovers
nendil
noun. beast that lives in the water
Nendili noun "Water-lovers", the most frequently used "title" or secondary name of the Lindar (Teleri) (WJ:411) Sg. #Nendil.