The Proto-Indo-European word *segh -
Word *segh -
Meaning to hold
See also Phrygian: ΕΓΕΣΕΤΙ ‘to hold, to experience, (he) will do’
Phrygian: ΕΓ- ‘to hold, to experience’
Ancient Macedonian: Ζειρηνίς ‘Aphrodite, goddess name’
Attic Greek: σαγηνεύω ‘catch with a net, captivate’
Synonyms *twer-

Comments
Skr. sahate, Gk. ekhein, Gm. sigu/Sieg, ON. sigr, Eng. sige/--

Other words that might be of interest
*dher- ‘to be immobile, to support’