since meaning in Bengali

adverb

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(1) তারপর; তৎপরে; ইতঃপূর্বে; ইতমধ্যে; (2) অনন্তর; অতীতে; পূর্বে;
preposition

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সেই সময় হতে; পরবর্তীকালে; অদ্যাবধি;
conjunction

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(1) যেহেতু; কারণ; (2) তারপর থেকে; তথন থেকে; Meaning in English
/adverb/ from the time on; ago; past;
/preposition/ from the time of; after;
/conjunction/ because; considering; SYNONYM as long as; hence; others long since – অনেক দিন পূর্বে (long ago); since then – সেই হইতে; তদবধি (over after); EXAMPLE She left Bangladesh in 1999 and has not come back since (adverb). I have been ill since last Friday (preposition). Since you have completed your work, you may leave (conjunction).