gruntle

• vi. 嘀咕，咕哝
• vt. 使高兴，使满意

1.咕哝，低咕，来自grunt, 咕哝。

2.使高兴，使满意，来自disgruntle的讹误回构词。

gruntle (v.)

1938, in gruntled "pleased, satisfied," a back-formation from disgruntled. The original verb (early 15c.) meant "to utter a little or low grunt," hence "to murmur, complain" (1580s), but was rare or dialectal by 19c.