Where does “interlocking” come from?

Interlocking derives from English lock combined with the Latin prefix inter-, ultimately from Proto-Indo-European welH-, a root meaning to turn or roll.

interlocking (English): present participle of interlock; An arrangement...

Definitions

present participle of interlock; An arrangement...

Ancestry of “interlocking”, step by step

Step	Language	Word	Meaning
1	English	interlock	To fit or clasp together securely; To interlace;...
2	English	Lock	—
3	Middle English	lok	lock
4	Old English	lāc	play, sport, strife, battle, sacrifice, offering,...
5	Proto-West Germanic	laik	—
6	Proto-Germanic	laikaz	dance; game, sport; hymn
7	Proto-Indo-European	leyǵ-	to bind, tie

Words derived from “interlocking”

noninterlocking
microinterlocking

Every word from Proto-Indo-European leyǵ- →

interlocking — Etymology, Origin & Word History | Etymology Explorer