出典:Wiktionary
From Middle English forthcomen, from 古期英語 forþcuman (“to come forth, proceed, arrive at, succeed, come to pass, come true, be born”), from Proto-Germanic *furþą (“forth”), *kwemaną (“to come”), equivalent to forth- + come.
forthcome (三人称単数 現在形 forthcomes, 現在分詞 forthcoming, 過去形 forthcame, 過去分詞 forthcome)