Literature Reference: 榆荚抛钱柳展眉，两人竝马语行迟。—— 《靖安北街赠李二十》 Elm seeds scatter like coins, willows stretch their brows, two riders side by side speak leisurely. Source from 'Jing'an North Street to Li Twenty'.
竝: "Tóng" as in "parallel" or "juxtaposed."
马: Horses. In personal names, it symbolizes swift success and invincible prowess in all endeavors.
Meaning: Riding side by side symbolizes deep friendship and a shared journey.