— called also star fruit
1598, in the meaning defined at sense 1
borrowed from Portuguese, probably borrowed from a Konkani equivalent of Marathi karambala, going back to a derivative of Sanskrit karmara- "the fruit or tree Averrhoa carambola" (as karmaraṅga- or karmaphala- —with phalaṃ "fruit"), of uncertain origin
Note: The Marathi word is recorded in J. T. Molesworth's A Dictionary, Marathi and English (Bombay, 1857), along with the variants kamarakha, karamara, karamaḷa.