What does Asha mean?
From Sanskrit 'asha' (आशा) meaning 'hope, wish, desire'. Flag: an identically spelled but etymologically DIFFERENT Avestan word 'asha' means 'truth/cosmic order' (Zoroastrianism), and the Swahili name Asha derives from Arabic for 'life' - these are separate roots that share a spelling.
What does Siya mean?
A regional and poetic short form of सीता (Sītā), the heroine of the Ramayana, whose name means 'furrow' (she was found in a ploughed field). Siya is widely used in Hindi devotional usage (as in 'Siya-Ram').