tenable : (adj.) 1. rakkhanīya; 2. takkena anapanetabba; sādhaka yutta.

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

'du ba

[translation-san] {C} saṃgrahatā

[translation-san] {C} yujyate

[translation-eng] {Hopkins} collect; assemble

[translation-eng] {C} the ability to attract; applies oneself; be engaged in; be joined to; practice; tenable (to say); logical (to equate)

Jeffrey Hopkins' Tibetan-Sanskrit-English Dictionary