throng (n.) Look up throng at Dictionary.com
c.1300, probably shortened from Old English geþrang "crowd, tumult" (related to verb þringan "to push, crowd, press"), from Proto-Germanic *thrangan (cognates: Old Norse þröng, Dutch drang, German Drang "crowd, throng").
throng (v.) Look up throng at Dictionary.com
"go in a crowd," 1530s, from throng (n.). Earlier it meant "to press, crush" (c.1400). Related: Thronged; thronging.