1º_ Vulgarism by yarn ("string, row") . 2º_ Inflection of the verb hilar, although it can also be a vulgarism for this or for some other of its conjugations. See verbs/hilá . 3rd_ Male name of Hebrew origin about 1492; 1460; 1497; 1500; 1464; 1492; ( jilá "aura, halo" ) which surely reached the Spanish language through Arabic, already taken as the feminine Hila.
