quaking

From Middle English quakinge, quakyng, from Old English cwacung (“quaking, trembling”), equivalent to quake +‎ -ing.

quaking (countable and uncountable, plural quakings)

1. The action of the verb quake.

   Synonyms: quivering, trembling, tremor

From Middle English quakynge, quakand, from Old English cwaciende (“quaking”), present participle of Old English cwacian (“to quake, tremble”); equivalent to quake +‎ -ing.

quaking

1. Shaking uncontrollably, especially due to fear or awe; trembling or shivering.

• quaking aspen
• quaking bog

quaking

1. present participle and gerund of quake