Analysis of information sources in references of the Wikipedia article "Tamara (given name)" in English language version.
Et Thamesis meus ante omnes, et fusca metallis Tamara, et extremis me discant Orcades undis
Tamara ♀. Russian: probably derived from the Hebrew name Tamar, from a vocabulary word meaning 'date palm', with the addition of the feminine suffix -a. ...
... Tamara the nymph from the local legend that tells the story of the origins of the three rivers the Tamar, Tavy and Taw.