1883 R.L. Stevenson Treasure of Franchard in Longman’s Mag. Apr. 683: Anastasie had saved the remainder of his fortune by keeping him strictly in the country. The very name of Paris put her in a blue fear [F&H].at blue fear (n.) under blue, adj.1
1894 Longman’s Mag. XXIV 196: And now, if you’ll allow me, I’ll push on home.at push on (v.) under push, v.
1897 Longman’s Mag. 30 453: The trouble at my house is, I’ve got a woman who wants to wear the pants.at wear the pants (v.) under pants, n.