整组

整 ('whole / entire') + 组 ('group / set / team') - a transparent compound meaning 'whole group / whole set'. Used in office and team contexts (整组开会 'whole-team meeting'), and in technical/data contexts (整组数据 'a whole batch of data', 整组更换 'replace as a complete set').

grammar

整 attaches to many measure-word-like nouns to mean 'the entire X': 整天 ('whole day'), 整夜 ('whole night'), 整年 ('whole year'), 整车 ('whole carload'), 整套 ('whole set'). Productive prefix for emphasizing completeness.