From Middle English thenkinge, þinkynge, þenkynge, þenchinde, from Old English þenċende, from Proto-Germanic *þankijandz, present participle of *þankijaną (“to think”), equivalent to think + -ing. Cognate with Dutch denkend (“thinking”), German denkend (“thinking”), Swedish tänkande (“thinking”).
- present participle of
- 1918, W[illiam] B[abington] Maxwell, chapter V, in The Mirror and the Lamp, Indianapolis, Ind.: The Bobbs-Merrill Company, OCLC 4293071:
- He was thinking; but the glory of the song, the swell from the great organ, the clustered lights, […] , the height and vastness of this noble fane, its antiquity and its strength—all these things seemed to have their part as causes of the thrilling emotion that accompanied his thoughts.
- I'm thinking about inventing a new perpetual-motion machine.