diamondlike

Etymology tree
Proto-Indo-European *né
Proto-Indo-European *n̥-
Proto-Hellenic *ə-
Ancient Greek ἀ- (a-)?
Proto-Indo-European *demh₂-der.
Ancient Greek δαμνάω (damnáō)?
Ancient Greek ἀδάμας (adámas)der.
Latin adamāsder.
Late Latin diamās
Old French diamantbor.
Middle English dyamaunt
English diamond
Proto-Indo-European *leyg-der.
Proto-Germanic *līkąder.
Proto-Germanic *-līkaz
Proto-West Germanic *-līk
Old English -līċ
Middle English -like
English -like
English diamondlike
From diamond + -like.