誰: (archaic) interrogative personal pronoun; who

垂れ: sauce, gravy

imperfective and stem (or continuative) forms of たれる (tareru) [ichidan] / hypothetical and imperative forms of たる (taru) [godan]

hypothetical form (仮定形) and imperative form (命令形) of たり (tari) [r-irregular]

(slang, Kansai) good for nothing, lazy, weak-willed

(slang, Kansai) a good-for-nothing

垂れる: to drip; to hang; to release

a book / a script; a scenario / source; origin; root

to read (look at and interpret written text) / to read (speak aloud written text) / to infer; to speculate / to count

reading / (figuratively) understanding of something, speculation about something