宛てる
あてる · ateru · JLPT N3 · verb-ichidan
to put
✉️ ateru = send it AT someone: 宛 marks where a letter is headed
宛てる is a variant spelling of 当てる (to hit or aim at), used for aiming a letter at a person. The same kanji appears in 宛先 (atesaki), the address or recipient on an envelope.