ceterach
noun
cet·er·ach
ˈsetəˌrak
1
plural -s : scale fern
2
capitalized [New Latin, from Medieval Latin ceterah] : a small genus of mainly Old World ferns (family Polypodiaceae) typified by the scale fern
Word History
Etymology
Medieval Latin ceterah, from Arabic shīṭaraj, from Persian shīṭarakh