Lexical Definition

‎שָׂרָה‎ sârâh (saw-raw') to strive H:V
a primitive root

have power (as a prince).

1) contend, have power, contend with, persist, exert oneself, persevere
1a) (Qal) to persevere, contend with

See Greek: ἀπειθέω · κτῆμα

Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
שָׂרָ֥ה he struggled Hos.12.3
שָׂרִ֧יתָ you have struggled Gen.32.28

Brown-Driver-Briggs

Also see: שׂוּר | שׂוּר | שׂוֹרָה

I. ‎שָׂרָה‎ verb persist, exert oneself, persevere (Arabic persist, persevere); —

Qal Perfect 3 masculine singular ‎׳‎‎אֶתאֿ‎ ‎׳‎‎שׂ‎ Hos 12:4* he persevered with God; 2 masculine singular ‎וְעִם אֲנָשִׁים‎ ‎׳‎‎שָׂרִיתָ עִםאֿ‎ Gen 32:29* (J). — Hos 12:5* has Imperfect ‎וַיָּ֫שַׂר‎ in same meaning, as if from a (non-existent) ‎שׂוּר‎; < read ‎וַיִּ֫שֶׂר‎ (apocope from ‎וַיִּשְׂרֶה‎). — ‎שׂוֺרָה‎ Isa 28:25 see above.

Brown-Driver-Briggs References

Book Refs
Genesis 32:29*
Isaiah 28:25
Hosea 12:4* · 12:5*