progress

1. Origins, structure, and basic meaning

• Structure: 捗 has 10 strokes and the on-reading ちょく. 捗る (はかどる) and 進捗 (しんちょく) have different whole-word readings.
• Basic usage: 捗る is a verb describing smooth progress in work or reading; 進捗 is a noun for how far something has progressed.

2. Common pitfalls and similar expressions

• The extent of progress and proceeding on schedule
  • 読書がよく捗る means making good progress with reading. 予想以上に捗った means the shared work progressed more than expected.
  • 作業の進捗 means the progress of the work. 予定どおりの進捗を見せている means progressing on schedule, rather than already being entirely finished.