Spanish word hija comes from Proto-Indo-European *dʰeh₁-m̥n-eh₂, and later Old Latin filios (Son.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *dʰeh₁-m̥n-eh₂ | Proto-Indo-European (ine) | who sucks |
| *dʰeh₁y-li-os | Proto-Indo-European (ine) | sucker |
| *dʰeh₁ylios | Proto-Indo-European (ine) | |
| filios | Latin (lat) | |
| filios | Old Latin (itc-ola) | Son. |
| *feiljos | Proto-Italic (itc-pro) | Son. |
| fīlius, fīlios | Old Latin (itc-ola) | |
| filius | Latin (lat) | (by extension) any male descendant. (in the plural) children. A son. |
| figlia | Italian (it) | (usually, regional) girl. Daughter. |
| fija | Old Spanish (osp) | Daughter. |
| hija | Spanish (es) | Daughter;. |