youth (n.) Look up youth at Dictionary.com
Old English geoguð "youth," related to geong "young," from West Germanic *jugunthiz, altered from Proto-Germanic *juwunthiz (cf. Old Saxon juguth, Old Frisian jogethe, Middle Dutch joghet, Dutch jeugd, Old High German jugund, German Jugend, Gothic junda "youth;" see young) by influence of its contrast, *dugunthiz "ability" (source of Old English duguð). In Middle English, the medial -g- became a yogh, which then disappeared.
They said that age was truth, and that the young
Marred with wild hopes the peace of slavery
[Shelley]