unimolecular

Etymology tree
Proto-Indo-European *ís?
Proto-Indo-European *h₁óynos
Proto-Italic *oinos
Old Latin oinos
Latin ūnus
Latin ūni-der.
English uni-
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 unimolecular
From uni- + molecular.