- attentive (adj.)
[attentive 词源字典]
- late 14c. (implied in attentively), from Old French attentif, from Vulgar Latin *attenditus, from Latin attentus "heedful, observant" (see attend). Sense of "actively ministering to the needs and wants" (of another person) is from early 16c. Related: Attentively.[attentive etymology, attentive origin, 英语词源]