Possibility \#10

Possibility #10

A ṃ may be inserted before a vowel or a consonant.

The ṃ then may change according to Possibility #2.

e.g. ava + siro > avaṃsiro

In Kaccāyana this is called (37) niggahitañ’ca.

ṃ insertion

ava	siro	avaṃsiro	adj. head-first
anu	thūlāni	anuṃ thūlāni	subtle and gross
yāva	ca idha	yāvañc’idha	and as long as

Counter-examples:

idha + eva > idheva

pecca + sagge > pecca sagge