何

Interrogative covering what, why, where, which, and how. It can also function as an indefinite pronoun meaning "whatever" or "anything."

• Direct Interrogative: Functions as a subject, object, or modifier.
• Instrumental/Causal: Frequently paired with 以 (何以) to ask "by what means" or "for what reason."
• Rhetorical/Negative: Used in argumentative contexts to express impossibility or strong denial (e.g., "How could...?" meaning "[x] cannot possibly be").

• 胡: In many early texts, 何 and 胡 are functionally interchangeable; later attempts to distinguish them are often porous.
• 豈 and 安: While these modal neighbors lean toward modality or possibility, 何 is generally more direct, targeting specific identity or cause.

Tang-period reading: *hɑ hɑ. Fanqie: 胡歌 胡可.

The distinction between a direct question and an indefinite statement often depends entirely on the surrounding logical context rather than any morphological marker.