To strengthen or make something more firm and secure, especially by joining or filling gaps.
From French 'souder,' meaning to weld or join, from Latin 'solidare' (to make solid). Related to 'soldier,' the word evolved to mean making bonds stronger and more solid.
This verb comes from 'soudure'—medieval metalworkers soldering gold together, which made separate pieces become one solid whole, inspiring the metaphor for making anything stronger!
Complete word intelligence in one call. Free tier — 50 lookups/day.