decide : (v.t.) tīreti; niccheti; ninṇeti. (pp.) tīrita; nicchita; ninṇita.

A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]

thag gcad

[tenses]

• gcad/
• gcod/
• bcad/
• chod/

[translation-eng] {Hopkins} decide; abandon; sever

Jeffrey Hopkins' Tibetan-Sanskrit-English Dictionary

thag gcod

[tenses]

• gcad/
• gcod/
• bcad/
• chod/

[translation-eng] {Hopkins} decide; abandon; sever

Jeffrey Hopkins' Tibetan-Sanskrit-English Dictionary

thag bcad

[tenses]

• gcad/
• gcod/
• bcad/
• chod/

[translation-eng] {Hopkins} [cord-cut]; decide; abandon; sever

example

• [bod] gang zag rang bzhin med par thag bcad kyang
• [eng] although you might decide that persons do not inherently exist ...{MSI 422}

Jeffrey Hopkins' Tibetan-Sanskrit-English Dictionary

thag chod

[tenses]

• gcad/
• gcod/
• bcad/
• chod/

[translation-eng] {Hopkins} decide; abandon; sever

example

• [bod] don la phu thag chod pa'i lta ba
• [eng] view which penetrates the meaning{MSI 385.2}

example

• [bod] sos thag chod kyang
• [eng] although certain to recover{PGP 75}

Jeffrey Hopkins' Tibetan-Sanskrit-English Dictionary