inwardyoudaoicibaDictYouDict[inward 词源字典]
Old English inweard, inneweard (adj., adv.) "inmost; sincere; internal, intrinsic; deep," from Proto-Germanic *inwarth "inward" (cognates: Old Norse innanverðr, Old High German inwart, Middle Dutch inwaert), from root of Old English inne "in" (see in) + -weard (see -ward).[inward etymology, inward origin, 英语词源]