trắc

• (Hà Nội) IPA^(key): [t͡ɕak̚˧˦]
• (Huế) IPA^(key): [ʈak̚˦˧˥]
• (Hồ Chí Minh City) IPA^(key): [ʈak̚˦˥]

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(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.).

trắc • (𣖡)

1. rosewood; kingwood

Sino-Vietnamese word from 仄 (“oblique”).

trắc • (仄)

1. (phonology, poetry, of a tone) oblique (involving a rising or falling contour)
2. (phonology, poetry, of a tone) being neither the ngang nor huyền tone

   Antonym: bằng

3. (poetry, of a rhyme) carrying a trắc tone

• All non-ngang and non-huyền tones are considered trắc tones, which is a terminology derived from and equivalent to Middle Chinese 仄聲 (“oblique tones”), which involved changing contour pitches. In Sino-Vietnamese morphemes, the sắc and hỏi tones were placed on Middle Chinese syllables that began with a 清聲母／清声母 (qīng shēngmǔ, “voiceless obstruent onset”), and the nặng and ngã tones were placed on syllables that began with a 濁聲母／浊声母 (zhuó shēngmǔ, “voiced obstruent or sonorant onset”).