etymologeek.com dictionary
English word belong comes from Old English langian (“to pertain to, suit, long”), which is tentatively from Proto-Indo-European *legʷh- “to be easy, be quick, jump, move around, vary Proto-Indo-European *legʷh-, Proto-Indo-European *dl̥h₁gʰós (Long.), English longen.

Belong etymology history?

Belong detailed word origin explanation

Dictionary entryLanguageDefinition
*legʷh- Proto-Indo-European (ine-pro) to be easy, be quick, jump, move around, vary
*langōną Proto-Germanic (gem-pro) To desire; long for.
langian Old English (ca. 450-1100) (ang) To grieve for, pine, be pained by. To long, yearn for.
belongen Middle English (1100-1500) (enm)
belong English (eng) (followed by to) To be a part of a group.. (intransitive) To have its proper place.. (intransitive, followed by to) To be part of, or the property of.. (intransitive, followed by to) To be the spouse or partner of. (Can we add an example for this sense?). (intransitive, set theory) (followed by to) To be an element of (a set). The symbol \in means belongs to.. (obsolete, transitive) To be [...]

Words with the same origin as belong

Descendants of *legʷh-
belonging lifelong long longer longest longing lung vern
Descendants of *dl̥h₁gʰós
length linger width