Where does “backward compatible” come from?

backward compatible (English) comes from English backward compatibility, from English compatibility, from English compatible, from Middle English compatible, from Anglo-Norman compatible, from Medieval Latin compatibilis, from Late Latin compator, from Latin com- — a wooden vessel made of hooped staves; wooden...

backward compatible (English): Capable of interoperating with older systems

Definitions

  1. Capable of interoperating with older systems

Ancestry of “backward compatible”, step by step

StepLanguageWordMeaning
1Englishbackward compatibilityCapability of interoperating with older systems
2EnglishcompatibilityThe state of being compatible; in which two or...
3EnglishcompatibleCapable of easy interaction; Able to get along...
4Middle Englishcompatiblecompatible; reconcilable
5Anglo-Normancompatible
6Medieval Latincompatibilisin "compatible beneficium", a benefice which...
7Late Latincompator
8Latincom-allomorph of con-
9Latincon-Used in compounds to indicate a being or bringing...
10Latincumwith, along with; at; -fold
11Old LatincomAlternative form of cum
12Proto-Italickomwith, along, at
13Proto-Indo-Europeanḱómbeside, near, by, with
14Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
15Middle Englishkyt
16Middle Dutchkittea wooden vessel made of hooped staves; wooden...
Every word from Middle Dutch kitte