Fealty is the loyalty a vassal owes to their lord. Swear fealty, an oath of fealty, break fealty.
It was sworn kneeling with the hands between the lord's, and the ceremony was the whole legal basis of the relationship — no document, only the oath and the witnesses. It is the same Latin word as fidelity, arriving by a French road.
1nounfealtyThe loyalty a vassal owes to their lord.
“The knights knelt before the new king and swore fealty to him.”
fealty is a loyalty.
feALTY → the LOYALTY owed to a lord
The loyalty owed upward, from the man who serves to the lord he serves under.
hooks ontoloyalty
Anglo-Norman feaute comes from Latin fidelitas, faithfulness. Fidelity is the same word taken later.
Proto-Indo-European
*bʰeydʰ-
Latin
fidēlitās
Anglo-Norman
fëauté
Middle English
feaute
English, today
fealty
Middle English feaute, feute, from Anglo-Norman fëauté, fëuté, from Latin fidēlitās (“faithfulness”; “homage, fealty” in Medieval Latin -), from fidēlis + -tās; the modern form (for expected feauty) is due to learned influence. Equivalent to obsolete feal + -ty. a doublet of fidelity.
Etymology from Wiktionary, CC BY-SA