いつからMeanings1expressionsince when; from when; how longusually written using kana aloneUsed to ask about the starting point of a state or action, or to express surprise that something has been the case for a long time.いつから日本にほん語ごを勉べん強きょうしていますか。Since when have you been studying Japanese?いつからここに住すんでいるんですか。How long have you been living here?
