yobbana : [nt.] youth.

A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]

Yobbana (nf.) [cp. late Vedic & Epic Sk. yauvana, fr. yuvan] youth D i.115; A i.68; iii.5, 66, 103; Dh 155, 156; Sn 98, 110, 218; Pv i.76; DhA iii.409; PvA 3.
   -- mada pride of youth D iii.220; A i.146; iii.72; VbhA 466.

Pali-English Dictionary, TW Rhys Davids, William Stede,