○dhātuka mfn. (fr. sarva-dhātu) applicable to the whole of a radical term or to the complete form of the verbal base (after the conjugational characteristics or Vikaraṇas are affixed in the four conj. or special tenses
• in Veda often confounded with the Ārdhadhātuhas, q.v.)
• n. N. of the verbal terminations of the four conj. tenses (Pr., Impf., Pot., and Impv.), and of all the √afixes (such as śānac and śatri) which have an indicatory J Pāṇ. 1-2, 4 ; iii, 4, 113 &c

Sanskrit-English Dictionary, by M. Monier William