'ybagûasu

Old Tupi

Etymology tree

Proto-Tupi-Guarani *ʔɨβ

Proto-Tupian *ʔa

Proto-Tupi-Guarani *ʔa

Proto-Tupi-Guarani *ɨˀβa

Old Tupi 'ybá

Proto-Tupian *-at͡ʃu

Proto-Tupi-Guarani *-wat͡ʃu

Old Tupi -gûasu

Old Tupi 'ybagûasu

From 'ybá (“fruit”) +‎ -gûasu (augmentative suffix).^[1]

'ybagûasu (?)

(Late Tupi) citron fruit (Citrus medica)^[2]
- 1614, Claude d'Abbeville, “tpw”, in Hiſtoire de la Miſsion des Peres Capucins en L’Iſle de Maragnan et terres circonuoiſines [History of the Mission of the Capuchin Fathers in the Island of Maranhão and surrounding lands] (overall work in French), Paris: Imprimerie de François Huby, page 222v:
  Vua ouaſſouran […]
  ['Ybaûasurana […] ]
  False citron.

Nheengatu: babasú, iwawasá, wawasú (obsolete)
- → Brazilian Portuguese: babaçu
  - → English: babassu
  - → French: babaçu, babassu
  - → Italian: babaco

^ Eduardo de Almeida Navarro (2013) “'ybagûasu”, in Dicionário de tupi antigo: a língua indígena clássica do Brasil [Dictionary of Old Tupi: The Classical Indigenous Language of Brazil] (overall work in Portuguese), São Paulo: Global, →ISBN, page 515, column 2
^ anonymous author (1622) “Cidra”, in Vocabulario na lingoa Braſilica (overall work in Portuguese), Piratininga; republished as Carlos Drummond, editor, Vocabulário na Língua Brasílica, 2nd edition, volume 1, São Paulo: USP, 1953, page 74: “Jbâguaçû. [Ybagûasu.]”