a black cat

an omen / a cause of something, an origin, a source

(idiomatic) unlucky, ill-omened

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

cat

black (color) / (go) a black stone; the person who plays black stones / a 女房詞 (nyōbō kotoba, “woman's word”) for 鍋 (nabe, “pot, pan”) or 釜 (kama, “pot, kettle”)

(と〜) thinking that […] (with the next clause explaining that the truth is contrary to expectations)

to seem, to appear