notes on titles

emperor

from imperator (latin), year 0 roughly
meaning great military commander (generalissimo)



king

through french roi; from rex (latin) related to regal, year -500 roughly
monarch



prince

from princeps (latin), year 0 roughly
from the words first and take (primus capere)



duke

dux (latin), -200
civilian military commander



marquess

marche (french), 1500
frontier [leader of a]



count

comte (french) 500
companion



earl

unclear (germanic / norse)
unclear (rise / get up)



baron

baro (latin/germanic), 700
warrior/mercenary/soldier/servant