The only free and comprehensive online etymological dictionary of the Spanish language
echar (Verb) "to throw"
12th cent. From Vulgar Latin *iectare 'id.' From Latin iactare "to hurl," from iacere "to throw" and frequentive suffix -tare (see note under faltar). From Proto-Italic *jak-i- 'id.' From late Proto-Indo-European word *(H)i̯h1-k-i̯- 'id.,' a formation from an originally aorist verb *Hi̯h1- 'id.'
Asturian echar, French jeter, Italian gettare, Sardinian ghetare
Ancient Greek ἵημι (híemi) "to release," Mycenaean i-je-si 'id.'