periodontium

[ per-ee-uh-don-shuhm, -shee-uhm ]

noun

, plural per·i·o·don·tia [per-ee-, uh, -, don, -sh, uh, -shee-, uh].

1. the bone, connective tissue, and gum surrounding and supporting a tooth.

Word History and Origins

Origin of periodontium¹

From New Latin, dating back to 1955–60; peri-, -odont, -ium