IPA: /dɪˈtæʧəbl/
KK: /dɪˈtæʧəbl/
Made to be easily removed or separated from something else without causing any harm.
The backpack has a detachable strap that can be removed for convenience.
Detachable → It is formed from "de-" (meaning down or away) and "tacere" (meaning to touch or fasten). The word describes something that can be fastened and then taken away or removed.
Think of something that can be 'taken away' ('de-') after being 'fastened' ('tacere') — that's why detachable means it can be removed.