Lexical Definition

‎חָנַק‎ chânaq (khaw-nak') to strangle H:V
a primitive root (compare ‎חָנַךְ‎)

hang self, strangle.

1) to strangle, strangle oneself
1a) (Niphal) to strangle oneself
1b) (Piel) to strangle

See Greek: ἀπάγχομαι · ἀποπνίγω

Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
וּמְחַנֵּ֖ק and strangling Nah.2.12
וַיֵּחָנַ֑ק and he hanged himself 2Sam.17.23

Brown-Driver-Briggs

[‎חָנַק‎] verb strangle (Late Hebrew id., Aramaic ‎חֲנַק‎, ; Arabic ); —

Niph`al Imperfect ‎וַיֵּחָנַ֑ק‎ 2Sam 17:23 strangled himself (+‎וַיָּ֫מָת‎). Pi`el participle ‎מְחַנֵּק‎ Nah 2:13* strangle, of lion strangling prey, figurative of Ninevitish king (object not expressed).

Brown-Driver-Briggs References

Book Refs
2 Samuel 17:23
Nahum 2:13*