spirolactam

Etymology tree
Proto-Indo-European *sper-
Proto-Indo-European *sper-yeh₂-
Ancient Greek σπεῖρα (speîra)der.
Latin spīra
Ancient Greek -ο- (-o-)der.
Latin -o-bor.
English -o-
English spiro-
Latin lacder.
English lacto-
German Ketonbor.
English ketone
English -one
English lac(tone)
Egyptian jmnbor.
Ancient Greek Ᾰ̓́μμων (Ắmmōn)bor.
Latin Ammōn
Latin ammoniacusder.
English ammonia
Proto-Indo-European *dʰeh₁-der.
Proto-Italic *-iðos
Latin -idusder.
English -ide
English am(ide)
English lactam
English spirolactam
From spiro- + lactam.