A Knight's Required Military Service

This page is the CodyCross answer for the clue below from Taking Care of Our Planet, Group 1574, Puzzle 5 (Adaptive Capacity).

Question is: A Knight's Required Military Service

and the answer is: ESCUAGE

Word Meaning:

ESCUAGE — (historical, Middle Ages) Payment to a lord in lieu of military service.

Definitions from Wiktionary.