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Etymology 1
→ →  → (grammatical shift)

Shift from earlier form. Cognate with,.

Verb

 * 1) to wear down and become small

Etymology 2
Possibly derived from the underlying sense of of noun, or a shift in sense from that verb.

First attested in a work from 1772.

Verb

 * 1)   to stint, to pay out or use something in a stingy fashion
 * 2)   to leak something out a little bit at a time;  to urinate or defecate a small amount
 * 3)   to drink a little bit at a time, to sip slowly, to nurse one's drink
 * 1)   to drink a little bit at a time, to sip slowly, to nurse one's drink