-amment

In Old French, adjectives ending in -ant often had identical masculine and feminine forms, so that the adverbial form ended in -antment, which resulted the loss of the t between the n and m, leading to -anment and then -amment.

• IPA^(key): /a.mɑ̃/

-amment

1. variant of -ment appended to adjectives ending in -ant

   ‎courant + ‎-amment → ‎couramment

-amment

1. Variant of -ment appended to adjectives ending with -ant.

   courant → couramment