From chashaq; conjoined, i.e. A wheel-spoke or rod connecting the hub with the rim -- felloe.
see HEBREW chashaq
H2839. chishshuq
[חִשּׁוּק] noun [masculine] spoke of a wheel (as binding felloe to nave) — plural suffix חִשֻּׁקֵיהֶם 1 Kings 7:33.
חשׁר (√ of following; compare Assyrian ašâru, collect gather ZimBP 39. In Arabic, collect is , but not usually = שׁ).