jonü

Etymology 1
Hall analyzes the final as a fossilized derivational suffix.

Noun

 * 1)  sister’s son, sororal nephew
 * 2)  brother’s son, fraternal nephew
 * 3) female parallel cousin’s son
 * 4) father’s brother’s daughter’s son
 * 5) mother’s sister’s daughter’s son
 * 6) male cross-cousin’s son
 * 7) father’s sister’s son’s son
 * 8) mother’s brother’s son’s son
 * 9) great-grandson
 * 10) sibling’s great-grandson, great-grandnephew

Noun

 * 1) navel, belly button
 * 2)  afterbirth; placenta and umbilical cord