Where does “βαρύς” come from?

βαρύς (Greek) comes from Ancient Greek βαρύς, from Proto-Hellenic gʷarus, from Proto-Indo-European gʷréh₂us, from Proto-Indo-European -us — Forms adjectives from Caland system roots.

βαρύς (Greek): heavy, weighty; harsh, strong

Definitions

heavy, weighty; harsh, strong

Ancestry of “βαρύς”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	βαρύς	heavy, weighty; heavy, burdensome, oppressive;...
2	Proto-Hellenic	gʷarus	heavy
3	Proto-Indo-European	gʷréh₂us	heavy
4	Proto-Indo-European	-us	Forms adjectives from Caland system roots

Every word from Proto-Indo-European -us →Every word from Proto-Indo-European gʷréh₂us →Every word from Proto-Hellenic gʷarus →