出典:Wiktionary
Attested from the mid 14th century, from Old French delectation (“enjoyment”), from Latin dēlectātiōnem, accusative singular of dēlectātiō, from the verb Latin dēlectō (“I delight, charm, please”), frequentative of dēliciō, from de- (“away”) + laciō (“I lure, I deceive”), from Proto-Italic *lakjō (“to draw, pull”), of unknown ultimate origin. Related to delight and delicious.
delectation (countable かつ uncountable, 複数形 delectations)