- с тех пор
- 1) General subject: ever after, ever after (как), ever after (и до конца), ever since, ever since (как), from then onwards, since, since (часто ever since), thereafter, after, from then onward, from then on2) Bookish: from thenceforth, thenceforth3) Religion: from that moment on, since that time, thenceforward4) Scottish language: sinsyne, syne5) Oil: thence6) Set phrase: since then7) Makarov: ever since (все время)
Универсальный русско-английский словарь. Академик.ру. 2011.