These nouns denote adequate space or opportunity for freedom of movement or action: room for improvement; needed elbowroom to negotiate effectively; no latitude allowed in conduct; allowed the chef leeway in choosing the menu; no margin for error; imagination given full play; permitting their talents free scope.
From Middle English roum, rom, rum, from Old English rÅ«m (“roomy, spacious, ample, extensive, large, open, unencumbered, unoccupied, temporal, long, extended, great, liberal, unrestricted, unfettered, clear, loose, free from conditions, free from occupation, not restrained within due limits, lax, far-reaching, abundant, noble, august"), from Proto-Germanic*rÅ«maz (“roomy, spacious"), from Proto-Indo-European*rowÉ™- (“free space"). Cognate with Scotsroum (“spacious, roomy"), Dutchruim (“roomy, spacious, wide"), Danishrum (“wide, spacious"), IcelandicrÃºmur (“spacious").
From Middle English rome, from Old English rÅ«me (“widely, spaciously, roomily, far and wide, so as to extend over a wide space, liberally, extensively, amply, abundantly, in a high degree, without restriction or encumbrance, without the pressure of care, light-heartedly, without obstruction, plainly, clearly, in detail"). Cognate with Dutchruim (“amply", adv).
Doctor Watson roomed with Sherlock Holmes at Baker Street.
From Middle English roum, from Old English rÅ«m (“room, space"), from Proto-Germanic*rÅ«mÄ… (“room"), from Proto-Indo-European*rowÉ™- (“free space"). Cognate with Low German Ruum, Dutch ruim (“space"), German Raum (“space, interior space"), Danish rum (“space, locality"), Norwegian rom (“space"), Swedish rum (“space, location"), and also with LatinrÅ«s (“country, field, farm") through Indo-European. More at rural.
Apparently an exception to the Great Vowel Shift, which otherwise would have produced the pronunciation /É¹aÊŠm/, but /aÊŠ/ does not occur before noncoronal consonants in Modern English.
English Wiktionary. Available under CC-BY-SA license.
Sometimes he even did it when there was a room full of people between them.
You are the most beautiful woman in the room tonight.
In the waiting room were tradesmen, women, and officials, looking silently at one another.
You have much room for this new baby?
At that moment Count Rostopchin with his protruding chin and alert eyes, wearing the uniform of a general with sash over his shoulder, entered the room, stepping briskly to the front of the crowd of gentry.