tighten : (v.t.) daḷhīkaroti. (pp.) daḷhīkata.

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

dam por byed par

[translation-san] {C} gāḍhī-karoti

[translation-eng] {C} tighten

Jeffrey Hopkins' Tibetan-Sanskrit-English Dictionary