subgroupingn.

1842 E. Wilson Pract. & Theoret. Treat. Dis. Skin p. xxxiii/2 Sub-grouping of diseases belonging to this division.

1873 Ann. & Mag. Nat. Hist. 11 356 I have completed the 1st and 2nd divisions so far as subgrouping goes.

1901 Times 9 Sept. 11/1 The main cause is to be found in the sub-grouping of the late Opposition into small fractions under different leaders.

1978 Language 54 468 Dyen concerns himself with three topics: the AN homeland, the subgrouping and external relationships of the AN language, and reconstruction.

1997 B. D. Biro Beyond Success (2001) xiv. 214 In the context of this bigger team, subgrouping and fractionalizing served no constructive purpose.

1847 R. Chambers Vestiges of Nat. Hist. Creation (ed. 6) 347 To me, as to Mr. Macleay and his followers, the Birds present the clearest traces of a determinate grouping, with an analogous sub-grouping.

1860 Crosthwaite's Reg. Aug. 3/1 It [sc. natural selection] would account for..the groupings and subgroupings of organized beings, the gradational series which they form, [etc.].

1918 F. L. Hoffman Mortality from Respiratory Dis. Dusty Trades i. 42 The so-called dusty industries, trades, and occupations have been arranged in seven large groups, which include specific subgroupings.

1967 F. L. Wernstedt & J. E. Spencer Philippine Island World xii. 470 The central Visayan region is the homeland of the Cebuano-Visayan, a major cultural-dialect subgrouping of Filipinos.

2009 N.Y. Times (Nexis) 12 Apr. (New Jersey section) 8 An intriguing show... The objects are largely arranged chronologically, with occasional subgroupings around a medium, subject or theme.