いとぐちひら 糸口を開く Show inflections LinksSentence search for 糸口を開くSentence search for いとぐちをひらくSentence search for 緒を開くKanji details for 糸, 口 and 開Edit in JMdict Expressions (phrases, clauses, etc.), Godan verb with 'ku' ending1. to find a clue; to make a beginningOther forms緒を開く 【いとぐちをひらく】 Discussions Log in to talk about this word.