chewing

From Middle English chewynge, chewand, from Old English *ċēowende, from Proto-Germanic *kewwandz, present participle of Proto-Germanic *kewwaną (“to chew”), equivalent to chew +‎ -ing.

chewing

1. present participle and gerund of chew

   The goat is chewing on your shirt!

From Middle English chewyng, chewynge, from Old English ċīwung, ċȳwung, ċēowung (“chewing”), equivalent to chew +‎ -ing.

chewing (countable and uncountable, plural chewings)

1. The act by which something is chewed on; mastication.
   • 2016, Jennifer Bramseth, Bourbon Springs Box Set: Volume II, Books 4-6:

     And while the dog and the cat buses suffered considerable damage from the trapped animals' excretions, clawings, and chewings, the bus with the skunk was declared unsalvageable.

2. (drugs) The consumption of (the juice from) the khat plant.
3. (drugs) The consumption of loose leaf tobacco juice from tobacco plants by chewing leaves near the cheek.