appurtenance

The story

1. Latin · derived fromappertineō“to belong, to appertain”
2. Old French · derived fromapartenance
3. Anglo-Norman · derived fromapurtenance
4. Middle English · inherited fromappurtenaunce
5. English todayappurtenance

From Middle English appurtenaunce, from Anglo-Norman apurtenance and Old French apartenance, from apartenir, from Latin appertineō (“to belong, to appertain”). More at appertain. By surface analysis, appertain + -ance.

First known use, by meaning

• from c. 1300 That which appertains to something else; a belonging, accompaniment, adjunct, appendage, attribute, or accessory ; an addition.
• from late 14th c. Equipment used for some specific task; gear.