noun
patchwork; patching; something patched
Refers to the act of patching clothes or fabric, or to an item that has been patched or needs patching. Often used in contexts of mending or extending the life of garments.
祖母は継ぎ物が得意で、古い着物をきれいに直してくれる。
My grandmother is good at patchwork and mends old kimono beautifully.
このズボンは継ぎ物だらけだが、まだ履ける。
These trousers are full of patches, but I can still wear them.
継ぎ is the noun form meaning 'a patch' or 'patching', while 継ぎ物 emphasizes the item or the activity as a whole.
繕い物 also means 'mending' or 'something to be mended', but 継ぎ物 focuses on patching with a piece of cloth, while 繕い物 can include darning or repairing without adding material.
Compound of 継ぎ (tsugi, 'patching', continuative form of 継ぐ 'to patch') + 物 (mono, 'thing'). The kanji 継 means 'inherit' or 'succeed', but here it is used in the sense of joining or patching.