bonerific

Etymology tree
English bone
Proto-Indo-European *-yósder.
Proto-Italic *-āzijos
Latin -āriusnom.
Latin -āriusbor.
Proto-Germanic *-ārijaz
Proto-West Germanic *-ārī
Old English -ere
Middle English -ere
English -er
English boner
Proto-Indo-European *tres-
Proto-Indo-European *-yeti
Proto-Indo-European *-éyeti
Proto-Indo-European *troséyeti
Proto-Italic *trozeō
Latin terreō
Proto-Indo-European *dʰeh₁-der.
Proto-Italic *θakos
Proto-Italic *-fakos
Latin -ficus
Latin terrificusder.
French terrifiqueder.
English terrific
blend
English bonerific
Blend of boner + terrific.