ᴺQ. !sundon (sundond-) n. “bedrock, (lit.) base-rock” (Category: Rock, Stone)

ᴺQ. !sundon (sundond-), n. “bedrock, (lit.) base-rock” [created by Orondil] (Category: Rock, Stone)

Elements

Q. sundo	“base, root, root-word”
Q. ondo	“stone (as a material), (large mass of) rock”