The word "courtier" entered English in the 13th century from Anglo-French courteour, derived from the Old French verb corteiier (to be at court, to frequent the court). The noun cort (court) descended from Latin cohors (genitive cohortis), which originally meant an enclosed yard or pen, then expanded to mean a retinue of soldiers, and finally a royal household or court. Latin cohors combined co- (together) with a form related to hortus (garden, enclosure), from PIE *ǵʰer- (to grasp, enclose).
The semantic journey from garden enclosure to royal court to flattering attendant is rich with social history. A Roman cohors was first a farmyard, then the group of soldiers who shared such an enclosure in a military camp, then by extension any band of followers. When the word crossed into French as cort, it narrowed to mean the residence and entourage of a ruler. A courtier was simply someone who frequented this space — but
The Renaissance produced the definitive treatise on the courtier's role. Baldassare Castiglione's Il Libro del Cortegiano (The Book of the Courtier), published in 1528, described the ideal courtier as a polymath: skilled in warfare, fluent in classical languages, accomplished in music and art, and possessed of a quality Castiglione called sprezzatura — studied carelessness, the art of making difficulty look easy. The book was translated into English by Sir Thomas Hoby in 1561 and influenced aristocratic education across Europe for generations.
But court life had a darker side that the word also came to reflect. Where large numbers of ambitious people competed for a single patron's favour, flattery, intrigue, and deception flourished. By the 17th century, "courtier" could carry strongly negative connotations: a courtier was someone who told the powerful what they wanted to hear, who pursued advancement through charm rather than merit, who masked self-interest behind elegant manners.
The related word "courtesy" underwent a parallel development. Originally meaning the refined behaviour expected at court, it gradually democratized into general politeness. "Courtship" — the act of wooing — emerged from the same court-based metaphor: to court someone was to approach them with the same deference and skill that a courtier showed a monarch.
German provides an illuminating contrast. Where English borrowed "courtier" from French, German coined Höfling from its native Hof (court, yard) — itself cognate with English "hoof" in a different sense. The German word carries a more obviously pejorative connotation than its English equivalent, suggesting a parasite who merely hangs about the court rather than serving it.