masc nom sg of duppariyogāḷha (adj)
Etymology. dur + pari + ava + √gāh + ta > gāḍha > gāḷha; from √gāh 'dive, plunge'; Sanskrit duravagāha [avagāh]
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
Lite mode — plain HTML for e-readers and old browsers. Full version