
Claxon |

Quote:
Share Spells (Ex): The summoner may cast a spell with a target of “you” on his eidolon (as a spell with a range of touch) instead of on himself. A summoner may cast spells on his eidolon even if the spells normally do not affect creatures of the eidolon's type (outsider). Spells cast in this way must come from the summoner spell list. This ability does not allow the eidolon to share abilities that are not spells, even if they function like spells.

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Yes, you can.
You can ignore the eidolon's creature type (outsider) and the range of personal (a.k.a. "you" only spells).
But only the eidolon's summoner can cast the spell (be it from spell known or wand), and it must appear on the summoner spell list (which enlarge person does). It also must be a spell not a spell like ability.
(at least that is my understanding of the share spell ability)