particular
adj.
late 14c., "pertaining to a single thing or person," from Old French particuler (14c., Modern French particulier) and directly from Late Latin particularis "of a part, concerning a small part," from Latin particula "particle" (see particle). Sense of "precise, exacting" first recorded 1814.
n.
"a part or section of a whole," late 14c., from particular, adj.. Particulars "small details of statement" is from c.1600.
〔李〕[part=part 部分；-i-; -cular a.=charactered by有……特点的→“charactered by a part rather as a whole部分的而不是整体的”→] a. considered separately from others;specific;distinct特殊的；特别的；独特的