Where does “klavo” come from?

klavo (Esperanto) comes from Latin clāvis, from Ancient Greek κλείς, from Proto-Hellenic klāwī́ds, from Proto-Indo-European kleh₂u- — nail, pin, hook - instruments, of old use for...

klavo (Esperanto): key

Definitions

Ancestry of “klavo”, step by step

Step	Language	Word	Meaning
1	Latin	clāvis	a key
2	Ancient Greek	κλείς	Something used to lock/unlock: key, bolt, bar; A...
3	Proto-Hellenic	klāwī́ds	—
4	Proto-Indo-European	kleh₂u-	nail, pin, hook - instruments, of old use for...

Words derived from “klavo”

klavaro
klavo
klavi
klavaro
klavagar

Every word from Proto-Indo-European kleh₂u- →Every word from Proto-Hellenic klāwī́ds →Every word from Ancient Greek κλείς →