2006, The First Book in the Suttanta-Pitaka: Dīgha-Nikāya (I)[1], page 4:
එවං වුත්තෙ තෙ භික්ඛූ භගවන්තං එතදවොචුං:
Evaṃ vutte te bhikkhū bhagavantaṃ etadavocuṃ:
The brethren spoke thus to the Blessed One; they said this:
Usage notes
The form එතද්(etad) occurs only before words beginning with vowels and as part of compounds. The initial vowel of the following word becomes the dependent vowel of the ද, e.g. එතද්(etad) + අවොචුං(avocuṃ) = එතදවොචුං(etadavocuṃ).