macromolecular

Etymology tree
Proto-Indo-European *meh₂ḱ-
Proto-Indo-European *-rós
Proto-Indo-European *mh₂ḱrós
Proto-Hellenic *makrós
Ancient Greek μᾰκρός (măkrós)der.
French macro-der.
English macro-
Latin mōlēs
Proto-Indo-European *-lós
Proto-Indo-European *-elós
Proto-Italic *-elos
Proto-Italic *-kelos
New Latin -cula
New Latin moleculalbor.
French moléculebor.
English molecule
Proto-Indo-European *h₂el-der.?
Proto-Italic *-ālis
Latin -ālis
Latin -ārisbor.
English -ar
English molecular
English macromolecular
From macro- + molecular.