contraproductive

Etymology tree Proto-Indo-European *ḱe Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Proto-Indo-European *-teros Proto-Italic *-teros Proto-Italic *komterosder. Proto-Italic *komterād Latin contrābor. English contra- Proto-Indo-European *per-der.? Proto-Indo-European *per-der.? Proto-Indo-European *pér Proto-Indo-European *-o Proto-Indo-European *pró Proto-Indo-European *pro- Proto-Italic *pro- Late Latin prō- Proto-Indo-European *dewk- Proto-Indo-European *déwkti Proto-Italic *doukō Late Latin dūcō Late Latin prōdūcō Proto-Indo-European *-wósder. Late Latin -īvus Late Latin prōductīvusbor. English productive English contraproductive From contra- + productive. Spontaneously calqued from the users' respective native language, e.g. German kontraproduktiv, Romanian contraproductiv.

来源：wiktionary