Salut: petite-fille
Enkelin
"Ma petite-fille" (My granddaughter)
"Cogratulations on your new grandaughter" in Polish is "Wszystkiego najlepszego z okazji narodzin wnuczki".
You may say 'magomusume,' written: 孫娘
grandaughter
Grandaughter
Your grandaughter would call your brother her great uncle.
manslaughter
Neptis.
You say, "nietos." Arguably, it means grandsons, however, in Spanish, it's how they do "grandchildren," of mixed genders.
ljuba
Daughter - Дочь; Pronounced " doch' " or " dotsch " Granddaughter - Внучка; Pronounced " vnoosh-ka " or " vn-oosh-ka "