The Spanish word 'peregrina' (meaning 'female pilgrim') comes from the Latin word 'peregrinus' meaning 'foreigner' or 'traveler'. The Latin word itself is a combination of two parts: 'per-' meaning 'through' and 'ager' meaning 'field' or 'land'. When combined, these elements created the concept of someone who goes through or across lands - essentially, a traveler or foreigner. The feminine form of this word evolved into modern Spanish 'peregrina'.

This etymology beautifully captures the essence of a pilgrim - someone who travels through foreign lands, often for religious or spiritual purposes.

Some related Spanish words include 'peregrino' (the masculine form, meaning 'pilgrim'), 'peregrinación' (pilgrimage), and 'peregrinar' (to pilgrim, to wander). All these words share the same Latin root and maintain the core concept of traveling or journeying, especially in a religious context.

The English word 'peregrinate' (meaning 'to travel or wander around from place to place') comes from the same Latin root 'peregrinus'. While less common in modern English, this word preserves the original meaning of traveling through lands. The word 'pilgrim' itself, while related in meaning to 'peregrina', actually comes from a different Latin word 'pelegrinus' (a variant of 'peregrinus'), which entered English through Old French.