ḍha is substituted for ha before a jhal (all consonant except semi-vowels and nasals) letter and at the end of a word.,
Thus सोढा, सोढुम्, सोढव्यम् ॥ The इट् is not added by 7.2.48, जलाषाट्, तुराषाट् by ण्वि 3.2.63, 6.3.137 and 8.3.56 वोढा, वोढुम्, वोढव्यं, प्रष्ठवाट्, दित्यवाट् 3.2.64 from सह् and वह्, with the affixes तृ, तुम्, तव्य and ण्वि ॥ For the त् of these affixes there is substituted ध by 8.2.40, and this ध is changed to ढ by 8.4.41, before which is dropped the first ढ by 8.3.13. For the ढ in प्रष्ठवाट् either ड् is substituted by 8.2.39, or ट् by 8.4.56.,