interdiscal

Etymology tree
Proto-Indo-European *h₁én
Proto-Indo-European *h₁entér
Proto-Italic *n̥ter
Latin inter
Latin inter-bor.
English inter-
Ancient Greek δίσκος (dískos)der.
Latin discusbor.
French disquebor.
English disc
Proto-Indo-European *h₂el-der.?
Proto-Italic *-ālis
Latin -ālisbor.
Old French -albor.
▲
Latin -ālis
Old French -elbor.
▲
Latin -ālisbor.
Middle English -al
English -al
English discal
English interdiscal
From inter- + discal.