parodontium

[par-uh-don-shuh m; -shee-uh m] /ˌpær əˈdɒn ʃəm; -ʃi əm/
noun, plural parodontia
[par-uh-don-shuh, -shee-uh] /ˌpær əˈdɒn ʃə, -ʃi ə/ (Show IPA)
1.
periodontium.
Origin
< Neo-Latin; see par-, periodontium