IPA: /ˈtuːlˌmeɪkɪŋ/
KK: /tulˌmeɪkɪŋ/
The skill or process of creating tools, often involving design and craftsmanship.
Toolmaking is an essential skill for many craftsmen and engineers.
Toolmaking → It is formed from "tool" (from Old English *tōl*, meaning an instrument or implement) and "making" (from Old English *macian*, meaning to make or create). The word "toolmaking" refers to the process of creating or producing tools.
Think of the Old English word for an instrument ('tool') and the act of 'making' something — that's how toolmaking means the process of creating tools.