Mvy 9478; Divy 475.12, defined 13--14: aṅkadhātrīty
ucyate yā dārakam aṅkena parikarṣayaty aṅgapratyaṅgāni
ca saṃsthāpayati.Tib. on Mvy paṅ na = aṅka, which it
seems must be the orig. form, since in India babies are
carried on the hip. Yet in all other cases the word is written
aṃsa-dh° (or aṃśa-, in mss. also atsa-), and this seems
to have had real currency, as shown s.v. For the cliché
see s.v. kṣīra-dhātrī.