men (Greek #3303)
properly, indicative of affirmation or concession (in fact); usually followed by a contrasted clause with 1161 (this one, the former, etc.)
KJV usage: even, indeed, so, some, truly, verily. Often compounded with other particles in an intensive or asseverative sense.
Pronounce: men
Origin: a primary particle
proton (Greek #4412)
firstly (in time, place, order, or importance)
KJV usage: before, at the beginning, chiefly (at, at the) first (of all).
Pronounce: pro'-ton
Origin: neuter of 4413 as adverb (with or without 3588)