English
Etymology
Proto-Indo-European *h₁éǵʰ
Proto-Indo-European *dʰeh₁k-
Proto-Indo-European *dʰh₁kyéti
Proto-Italic *θakjō
Proto-Indo-European *-wós Proto-Indo-European *-iHwósder. English subeffective
From sub- + effective.
Adjective
subeffective (not comparable)
- Below the threshold where an effect would be produced.
- a subeffective dose