i is diversely substituted in the chandas (Vedas) for the vowel of the reduplicate, in the Reduplicated Present-form.,
As पूर्णां विवष्टि (from वश्), जनिमा विवक्ति (from वच्), वत्सं न माता सिषक्ति (from सच्), and जिघर्ति सोमम् ॥ But also ददाति, जजनम्, दधनत् as in ददातीत्येवं ब्रूयात्; जजनमिन्द्रं माता यद्वीरं दधनद् धनिष्टा ॥ All these three roots belong to Juhotyadi class.,