convertible

The story

1. Latin · derived fromconvertere“to turn back, to turn over, to turn around, to turn upside down”
2. Late Latin · derived fromconvertibilis“interchangeable”
3. Old French · derived fromconvertible
4. English todayconvertible

From Old French convertible, from Late Latin convertibilis (“interchangeable”), from Latin convertere (“to turn back, to turn over, to turn around, to turn upside down”), from con- (“with, together”) + vertere (“to turn”), + -ibilis (“-ible: able to”). Equivalent to convert + -ible.