The story
- Medieval Latin · derived fromcompositiō“payment made in amends or settlement”
- English todaycomposition fee
Originally from an obsolete sense of composition, “payment to settle an obligation”, from Medieval Latin compositiō (“payment made in amends or settlement”), see citations; compare legal sense of compound, “settle with a smaller payment than the claim”. Later reanalysed in some cases as meaning “aggregate”.
Etymology from Wiktionary, CC BY-SA 4.0.