Monogamy literally means "one reproductive unit" by it's etymology
Nope, etymologically it means "married once". mono = one + gamos = marriage. Literally, anyone has been married more than once is no longer "monogamous". (We've mostly redefined the literally meaning to mean, "married to one person at a time.")
You reveal your short-sightedness and lack of depth so easily!
Origin: 1605–15; < LL monogamia < Gk monogamía. See mono-, -gamy
http://dictionary.reference.com/browse/monogamymono-
a combining form meaning “alone,” “single,” “one” (monogamy); specialized in some scientific terms to denote a monomolecular thickness (monolayer) and adapted in chemistry to apply to compounds containing one atom of a particular element (monohydrate).
Also, especially before a vowel, mon-.
Origin:
< Gk, comb. form of mónos alone
http://dictionary.reference.com/browse/mono-?db=luna-gamy
a combining form with the meanings “marriage,” “union,” “fertilization, pollination,” of the kind specified by the initial element: exogamy; plastogamy; allogamy; also forming nouns corresponding to adjectives ending in -gamous: heterogamy.
Origin:
comb. form repr. Gk -gamía act of marrying
http://dictionary.reference.com/browse/-gamy?db=lunaYou are right, Brian, monogamy literally means "once married" from it's Greek roots. The bigger question is what is the primary purpose of such marrying in God's revealed will?