英语词源字典 - 在线词源网站

bellowing (n.)[bellowing 词源字典]: late 14c., from present participle of bellow (v.). As an adjective, recorded from 1610s.[bellowing etymology, bellowing origin, 英语词源]
following (n.): late 14c., "action of following, an act of following," verbal noun from follow (v.). Meaning "a body of disciples or retainers" is from mid-15c.; Old English used folgoð in this sense.
growing (adj.): Old English, present participle adjective from grow (v.). Growing season is attested from 1729; growing pains by 1752.
growing (n.): late 14c., "a gradual increase, action of causing to increase," verbal noun from grow (v.). Meaning "that which has grown, a crop" is from 1540s. Dialectal growsome "tending to make things grow" is from 1570s.
harrowing (adj.): "extremely distressing, painful," 1799 (implied in harrowingly), from present participle of harrow (v.).
knowing (adj.): "with knowledge of truth," late 14c., from present participle of know (v.). Related: Knowingly.
knowingly (adv.): late 14c., from knowing + -ly (2).
lowing (n.): early 13c., verbal noun from low (v.).
unknowing (adj.): c. 1300, "without knowledge, ignorant," from un- (1) "not" + present participle of know (v.). Noun meaning "ignorance" is mid-14c., especially in phrase cloud of unknowing, title of a medieval book of Christian mysticism. Related: Unknowingly. A verb unknow "fail to recognize" is attested from late 14c.
showing: "The action of showing something, or the fact of being shown", Old English scēawung.