cherimoya
Concise Oxford English Dictionary © 2008 Oxford University Press:
cherimoya /ˌtʃɛrɪˈmɔɪə/ (also chirimoya)
▶noun a green-skinned custard apple produced by an Andean tree (Annona cherimola).
– origin C18: from Sp., from Quechua, from chiri ‘cold or refreshing’ + muya ‘circle’.
'cherimoya' also found in these Oxford entries:

