Tra từ spelunking - Từ điển Oxford Advanced Learner 8th

Từ điển Oxford Advanced Learner 8th

spelunking spe·lunk·ing BrE [spɪˈlʌŋkɪŋ] NAmE [spɪˈlʌŋkɪŋ] (NAmE) (BrE cav·ing, pot·hol·ing) noun uncountable the sport or activity of going into ↑caves under the ground Derived Word: ↑spelunker See also: ↑caver ▪ ↑caving ▪ ↑potholer ▪ ↑potholing Word Origin: 1940s: from obsolete spelunk ‘cave’ (from Latin spelunca) + ↑-ing.