出典:Wiktionary
From Middle English forethynken, from 古期英語 fōreþenċan (“to premeditate, consider, be mindful”), corresponding to fore- + think. Cognate with Dutch voordenken, German vordenken (“to think ahead”).
forethink (三人称単数 現在形 forethinks, 現在分詞 forethinking, 過去形および過去分詞形 forethought)