Middle English word belden comes from Proto-Indo-European *bʰlē-dʰ-, Proto-Indo-European *bʰōw-, Proto-Indo-European *bʰeh₂w-, Proto-Indo-European *bū-, Proto-Germanic *bʰeh₂utlom, and later Proto-Germanic *balþaz (Strong, bold.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *bʰlē-dʰ- | Proto-Indo-European (ine-pro) | |
| *bʰōw- | Proto-Indo-European (ine-pro) | to swell, inflate, to blow, swell , to dwell |
| *bʰeh₂w- | Proto-Indo-European (ine-pro) | |
| *bū- | Proto-Indo-European (ine-pro) | |
| *bʰeh₂utlom | Proto-Germanic (gem-pro) | |
| *balþaz | Proto-Germanic (gem-pro) | Strong, bold. |
| *būaną | Proto-Germanic (gem-pro) | To dwell, to reside. |
| *balþijaną | Proto-Germanic (gem-pro) | To make bold; animate; encourage. |
| *bōþlą | Proto-Germanic (gem-pro) | House, dwelling. |
| bolt | Old English (ang) | Bolt. |
| *buþlijaną | Proto-Germanic (gem-pro) | To build. |
| bieldan | Old English (ang) | |
| belden | Middle English (enm) |