Where does “nasturtium” come from?

nasturtium (Middle English) comes from Old English nasturcium, from Latin nasturtium, from Latin nāris, from Latin nāsus, from Latin -ō, from Proto-Indo-European -ō — Derives nouns from roots.

Ancestry of “nasturtium”, step by step

StepLanguageWordMeaning
1Old Englishnasturciumvarious plants with a spicy flavor in the family...
2Latinnasturtiumcress
3Latinnārisnostril
4LatinnāsusThe nose
5Latinsuffixed to nouns or adjectives. Originally a-stem nouns. Later extended to nouns with other stems. Forms regular first-conjugation verbs
6Proto-Indo-EuropeanDerives nouns from roots
Every word from Proto-Indo-European Every word from Latin Every word from Latin nāsus