Where does “θεραπευτικός” come from?

θεραπευτικός (Ancient Greek) comes from Ancient Greek θεραπευτής, from Ancient Greek -τής, from Ancient Greek πεῖρα, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

θεραπευτικός (Ancient Greek): attentive, helpful, obliging, curative

Definitions

attentive, helpful, obliging, curative

Ancestry of “θεραπευτικός”, step by step

θεραπευτικός traces back through two separate lines of ancestry.

via Ancient Greek θεραπευτής

Step	Language	Word	Meaning
1	Ancient Greek	θεραπευτής	One who waits upon another; attendant
2	Ancient Greek	-τής	Appended to verbs to form agent nouns
3	Ancient Greek	πεῖρα	trial, experiment, attempt
4	Proto-Indo-European	per-	before, in front; first; to go through
5	Proto-Indo-European	pr̥tós	passed , crossed

via Ancient Greek θερᾰπευτής

Step	Language	Word	Meaning
1	Ancient Greek	θερᾰπευτής	One who waits upon another; attendant

Words derived from “θεραπευτικός”

Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Ancient Greek -τής →