The twin of a person; a match of something to which it is attached through natural development, as a yolk of a double-yolked egg, a banana of two growing together, a sweet potato of two joined together.
2a
For two (actor muɴ- & theme) to match each other (loc ref); join together.
2b
nundoppel.
Sibling twins.
Nundoppel nin di inhabin nen babāi ti ongol di putūna.
Probably what that woman has conceived aretwins because she has a large stomach.