B.B. Datta and A.N. Singh (1983). «Hindu Trigonometry». Indian Journal of History of Science18 (1): 39-108. Archivado desde el original el 9 de abril de 2020. Consultado el 1 de marzo de 2010.
B.B. Datta and A.N. Singh (1983). «Hindu Trigonometry». Indian Journal of History of Science18 (1): 39-108. Archivado desde el original el 9 de abril de 2020. Consultado el 1 de marzo de 2010.
wiktionary.org
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According to lexicographers, it is a synonym also meaning "bow-string", but only its
geometrical meaning is attested in literature. Monier-Williams, A Sanskrit Dictionary (1899): " jīvá n. (in geom. = jyā) the chord of an arc; the sine of an arc Suryasiddhanta 2.57";
jīvá as a generic adjective has the meaning of "living, alive" (cognate with English quick)