This is the 35th most frequent Estonian word.
neid
"Them" (accusative or partitive form).
Here, 'neid' functions as the partitive form of 'need', referring to the boys observed.
Ma nägin neid poisse mängimas.
I saw those boys playing.
In this sentence, 'neid' is the partitive form of 'need' (these/those), referring to the books being read.
Kus sa neid raamatuid lugesid?
Where did you read those books?
In this sentence, 'neid' is the object in the partitive form of 'need', referring to the assignments given.