It's Russian, and uses the syllable in the formal name (the SA from Aleksandr) plus one of the common diminutive endings (-SHA).
Dasha from Daria, Grisha from Grigori, Masha from Maria, all follow the same pattern (although there are many ways of forming nicknames for Russian names.)
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Date: 2009-07-25 02:58 pm (UTC)Eve "Evie"
Elizabeth "Lizzie"
Felicity
May
Morgan
Calvin
Samuel "Sam"
Alexander "Sasha"
Ezra
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Date: 2009-07-25 03:03 pm (UTC)no subject
Date: 2009-07-25 03:18 pm (UTC)Just curious where "Sasha" comes from Alexander.
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Date: 2009-07-25 03:40 pm (UTC)Dasha from Daria, Grisha from Grigori, Masha from Maria, all follow the same pattern (although there are many ways of forming nicknames for Russian names.)
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Date: 2009-07-25 04:28 pm (UTC)no subject
Date: 2009-07-25 04:56 pm (UTC)