suegro
/ˈsweɡɾo/ · B2 · noun · m
father-in-law
👴 suegro = sounds like SWAY-grow: your spouse's dad swayed and grew you into family
From Latin socer (father-in-law), which became Spanish suegro. Link the sound SWEH-gro to a spouse's father who helps your family grow. The feminine form is suegra, and plural suegros can mean both parents-in-law.