Where does “herba cidreira” come from?

herba cidreira (Galician) comes from Galician cidreira, from Galician -eira, from Old Portuguese -eira, from Latin -āria, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

herba cidreira (Galician): lemon balm

Definitions

lemon balm

Ancestry of “herba cidreira”, step by step

herba cidreira traces back through two separate lines of ancestry.

via Galician cidreira

Step	Language	Word	Meaning
1	Galician	cidreira	citron; lemon balm
2	Galician	-eira	forms names of plants from the fruits or vegetables they produce
3	Old Portuguese	-eira	—
4	Latin	-āria	used to form feminine counterparts of masculine agent nouns in
5	Latin	-ārius	er
6	Proto-Italic	*-āzios	Forms relational adjectives to nouns (and rarely numerals)

via Galician herba

Step	Language	Word	Meaning
1	Galician	herba	herb; weed; grass
2	Old Portuguese	erva	herb; weed
3	Latin	herba	grass, herbage; herb; weeds
4	Proto-Indo-European	ǵʰreh₁-	to become green, grow; to grow; to green, to grow

Every word from Proto-Italic *-āzios →Every word from Latin -ārius →Every word from Latin -āria →