ana (Greek #303)
properly, up; but (by extension) used (distributively) severally, or (locally) at (etc.)
KJV usage: and, apiece, by, each, every (man), in, through. In compounds (as a prefix) it often means (by implication) repetition, intensity, reversal, etc.
Pronounce: an-ah'
Origin: a primary preposition and adverb
mesos (Greek #3319)
middle (as an adjective or (neuter) noun)
KJV usage: among, X before them, between, + forth, mid(-day, -night), midst, way.
Pronounce: mes'-os