indigo   
aika
Anaran-javamaniry fanao loko (Indigofera [...] [full text in Rajemisa 1985]
a species of indigo plant largely used in dyeing. Indigofera sp. [Richardson 1885]
indigo [Hallanger 1974]
fatotra
indigo that has been pounded and tied up. [Richardson 1885]

indigo   
aika
Anaran-javamaniry fanao loko (Indigofera [...] [full text in Rajemisa 1985]
indigo [Hallanger 1974]
angana
indigo [Abinal 1888]
kitsakitsa
indigo, Indigofera hirsuta. § engitra. [David 1952]