τέραμνον

Etymology
Connected with 🇨🇬, a root found in 🇨🇬, 🇨🇬, 🇨🇬. However, according to Beekes these words cannot be related and prefers to compare ; according to him, because of the alternations θ/τ and μν/πν the word is.

Noun

 * 1)  chamber, house