The Librarian has discovered that this is an obsolete word for "doorway." It appears in Webster's, 1913.

Rather than bring up any of the old threads on Lagan Love, I thought I'd throw that in.

This makes that verse much less Peeping Tom-ish. Shyly peeping in the doorway at one's love. Yeah, NOT peeking through the keyhole or anything.

I have heard one version of this song with "lull's the eye to sleep." I don't know where this came from, but I like "eve" much better.