Refers to a rolled tobacco product, either a cigarette or a cigar. Context usually clarifies which is meant.
He likes to roll his own cigarettes.
That shop carries high-quality cigars.
Specifically means 'cigar' (leaf-rolled), whereas 巻きタバコ is broader.
Standard mixed kanji-katakana spelling.
Variant without okurigana; less common but seen.
Ateji spelling using 煙草 for タバコ; rarely used.
Ateji spelling without okurigana; very rare.
Formed from 巻き “rolling; rolled” and タバコ “tobacco,” the latter borrowed ultimately from Portuguese tabaco. It denotes tobacco prepared in a rolled form.