A primitive root (compare zuwr); perhaps to diffuse, i.e. (specifically) to sneeze -- sneeze.
see HEBREW zuwr
H2237. zarar
[זָרַר] verb only
Po`el sneeze (compare ᵑ7 זְרִירוֺ(ה)י Job 41:10 for Hebrew עֲטִישֹׁתָיו; verb probably onomatopoetic); — פעמים֯ שׁבע עד הַנַּעַר וַיְזוֺרֵר 2 Kings 4:35 **omitted ᵐ5; Gr Bur think MT arose (by dittograph) from עַלהַֿנַּעַר וַיִּגְהַר.