That means - Commencing With all the primeval sound “Om” the mantra usually means - “I pray to the progeny of Anjana and also the son in the Wind God (Vayu) to sharpen my intellect and grant me knowledge and intelligence.” ॐ आञ्जनेयाय विद्महे वायुपुत्राय धीमहि। तन्नो हनुमत् प्रचोदयात्॥ हनुमान https://andresbbzyu.webbuzzfeed.com/33319070/the-5-second-trick-for-hanuman-chalisa