Seems like spectating is very much linked or linkedAble to spectrum via spectre and in my mind spectacularly so..
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from spectate –
http://www.etymonline.com/index.php?term=spectate
through –
http://www.etymonline.com/index.php?term=spectator&allowed_in_frame=0
http://www.etymonline.com/index.php?term=spectacle&allowed_in_frame=0
http://www.etymonline.com/index.php?allowed_in_frame=0&search=spectre&searchmode=none
http://www.etymonline.com/index.php?term=specter&allowed_in_frame=0 (note the ghost..?)
to spectrum –
http://www.etymonline.com/index.php?term=spectrum&allowed_in_frame=0
Scope, as a sort of Wave-extent, is more the kind of vibrations I have in mind re spectrum – seemingly wrongly..
Perhaps even more so, the german word spähen “to spy”. Sense of “distance the mind can reach..”
This sounds to me more like an innate searchness of a wave.. As in wave as a spy/searching-rhythms that seem to have aim via aimless other energies.. They are just linked, not aimed.. Hence full of energy..? (not power.. power requires aim/meaning..)