Borean (approx.) : MVTV
Meaning : female genitalia
Afroasiatic : *mVṭVH- 'woman' (Berb., Ar., Omot., Chad.; the meaning "penis" in some languages may be due to contam. with *mVt- 'man')
Amerind (misc.) : *mat 'belly, navel, rectum' ? (R 53) Reference : ND 1502, 1506.