And, as far as the origin of the word 'hex' as in 'to curse'- the association with the greek 'hex' for 'six' is probably spurious.
Quote:
hex (v.)
1830, from Pennsylvania Ger. hexe "to practice witchcraft," from Ger. hexen "to hex," related to Hexe "witch," from M.H.G. hecse, hexse, from O.H.G. hagazussa (see hag). Noun meaning "magic spell" is first recorded 1909
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from
http://www.etymonline.com/index.php?...earchmode=none
(M.H.G. = middle high German, O.H.G.= old high German)