JLPT N1 Vocabulary 延いては (hiiteha) not only...but also, in addition to, consequently JLPT N1 Learning Done Flashcards Recall mode Meaning 延いては (ひいては, hiiteha) is a JLPT N1 vocabulary word meaning “not only...but also, in addition to, consequently”. Kanji in this word 延 prolong ← Previous宜しく All N1 vocabulary Next →芝