In sign language, what does it mean when you point the index finger of one hand into the opposite palm?

My 16-month-old keeps doing this with an earnest face like he’s asking for something, but I have no idea what it is, or where he learned this sign! Poor little guy! .

An introduction to finger spelling

Finger spelling has been introduced as a structural component that is different than the visually transmitted sign patterns typically used in sign languages. In this context, finger spelling serves as a means to bridge the gap between the sign language and the spoken language. Used in the several forms of sign languages, finger spelling […]