Where does “κρεμάθρα” come from?

κρεμάθρα (Ancient Greek) comes from Ancient Greek -θρον, from Proto-Hellenic [[*-tron]] ~ [[*-tʰron]], from Proto-Indo-European [[*-trom]] ~ [[*-dʰrom]].

κρεμάθρα (Ancient Greek): rope hung from a hook

Definitions

rope hung from a hook

Ancestry of “κρεμάθρα”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	-θρον	forms instrument nouns
2	Proto-Hellenic	[[-tron]] ~ [[-tʰron]]	—
3	Proto-Indo-European	[[-trom]] ~ [[-dʰrom]]	—

Every word from Proto-Indo-European [[*-trom]] ~ [[*-dʰrom]] →Every word from Ancient Greek -θρον →Every word from Proto-Hellenic [[*-tron]] ~ [[*-tʰron]] →