anionoid

Etymology tree
Proto-Indo-European *h₂en-
Proto-Hellenic *aná
Ancient Greek ᾰ̓νᾰ́ (ănắ)
Ancient Greek ᾰ̓νᾰ- (ănă-)
Proto-Indo-European *h₁ey-
Proto-Indo-European *h₁éyti
Proto-Hellenic *éimi
Ancient Greek ῐ̓όν (ĭón)
Ancient Greek ἀνῐόν (anĭón)lbor.
English anion
Ancient Greek -ο- (-o-)der.
Latin -o-
Proto-Indo-European *weyd-
Proto-Indo-European *-os
Proto-Indo-European *wéydos
Proto-Hellenic *wéidos
Ancient Greek εἶδος (eîdos)
Proto-Indo-European *-os
Proto-Indo-European *-ēs
Ancient Greek -ης (-ēs)
Ancient Greek -ειδής (-eidḗs)
Latin -oīdēslbor.
English -oid
English anionoid
From anion + -oid.