Get a French Tutor
French word mondamoiseau comes from French damoiseau ((archaic) young man.), French mon
damoiseau (French)
(archaic) young man.
mon (French)
Followed by rank, address to a (male) superior officer in the military. Army-specific short for "monsieur". (possessive) my (used to qualify masculine nouns and vowel-initial words regardless of gender).
mondamoiseau (French)
(rare) Young single man.