ผมไปดูเพิ่มในพจนานุกรมเปอร์เซีย-อังกฤษ ของ STEINGASS (
http://dsal.uchicago.edu/cgi-bin/philologic/getobject.pl?c.0:1:781.steingass )
เค้าอธิบายดังนี้ครับ
آچار āchār (อาจารฺ), Powdered or salted meats, pickles, or fruits, preserved in salt, vinegar, honey, or syrup; particularly onions preserved in vinegar; also the pickle or liquor in which these meats or fruits are preserved; mixed, collected, assembled together; uneven rugged ground, full of risings and hollows;--(S. āchāra = สันสกฤต: อาจารฺ) Immemorial custom, conformity to religious institutions.
แสดงว่า อาจารฺ แต่เดิมนั้นเป็นคำสันสกฤต ผมเลยไปดูเพิ่มในพจนานุกรมสันสกฤต-อังกฤษ ของ APTE (
http://dsal.uchicago.edu/cgi-bin/philologic/getobject.pl?c.1:1:1149.apte3 ) ได้ให้ความหมายของ อาจารฺ ไว้ดังนี้ครับ
आचारः [आचार-भावे घञ्] 1 Conduct, behaviour, manner of action or of conducting oneself; सदाचारः good conduct; नीच˚ &c.; लोकाचारविवर्जिताः Pt.5.4 ignorant of the ways of the world. -2 Good conduct or behaviour; न शौचं नापि चाचारो न सत्यं तेषु विद्यते Bg. 16.7; Ms.1.19,5.4,3.165. -3 A custom, usage, practice; तस्मिन्देशे य आचारः पारंपर्यक्रमागतः Ms.2.18; Y. 1.343. -4 An established usage, fixed rule of conduct in life, customary law, institute or precept (opp. व्यवहार in law); आचार्य आचाराणाम् K.56; Ms.1.19; oft. as the first member of comp. in the sense of 'cus- tomary', 'usual', 'as is the custom', 'according to form', 'as a formality'; ˚पुष्पग्रहणार्थम् M.4; see ˚धूम, ˚लाज below; परिकर्मन् Ś.2. -5 (a) Any customary observance or duty; ˚प्रयतः V.3.2; गृहाचारव्यपदेशेन U.3. (b) A form, forma- lity; आचार इत्यवहितेन मया गृहीता Ś.5.3; Mv.3.26. (c) The customary salutation or bow, usual formality; आचारं प्रतिपद्यस्व Ś.4; V.2; अविषयस्तावदाचारस्य Mv.2. -6 Diet. -7 A rule (of conduct). -Comp. -अङ्गम् title of the first of the twelve sacred books of the Jainas -चक्रिन् N. of a Vaiṣṇava sect. -चन्द्रिका N. of a work on the religious customs of the Śūdras -तन्त्रम् one of the four classes of the Tantras (with Buddhists). -दीपः [आचारार्थः नीराजनार्थो दीपः] 1 'a lamp of religious customs', title of a work. -2 a lamp waved about a person as a formality and token of auspiciousness. -धूमग्रहणम् inhaling smoke as a customary rite (as of the sacrificial ceremony) R.7.27; वधूमुखं क्लान्तयवाव- तंसमाचारधूमग्रहणाद् बभूव Ku.7.82. -पूत a. purified by customary observances, of pure conduct; तमातपक्लान्त- मनातपत्रमाचारपूतं पवनः सिषेवे R.2.13. -भेदः difference in the customary law. -भ्रष्ट, -पतित a. apostate, fallen from established usages or rules of conduct. -मयूखः 'Ray of religious customs'; N. of a work. -लाज (m. pl.) fried grain customarily showered upon a king or other important personage as a mark of respect (as when he passes through the streets of his capital); अवाकिरन्बाललताः प्रसूनैराचारलाजैरिव पौरकन्याः R.2.1. -वर्जित, -व्यपेत, -हीन a. 1 irregular, out of rule. -2 outcast, who has renounced all customary observances. स्मृत्याचारव्यपेतेन Y.2.5; Ms.3.165. -वेदी [आचारस्य वेदीव] 'altar of religious customs', N. of Āryāvarta, the sacred region of the Āryas.