Nerveless means limp and without strength, or showing no fear. Nerveless fingers.
The two senses are opposite in feeling, which makes the word genuinely ambiguous. A nerveless hand has given up and a nerveless player has not, and only context tells you which.
1adjectivenervelessLimp and without strength, or showing no fear.
“The glass fell from his nerveless fingers.”
nerveless is a quality.
Proto-Indo-European
*(s)neh₁-
German
nerven
Latin
nervus — sinew
Medieval Latin
nervus — nerve
Middle English
nerve
English
nerve
English, today
nerveless
From nerve + -less. nerve Recorded since circa 1374 as Middle English nerve, from Medieval Latin nervus (“nerve”), from Latin nervus (“sinew”). a doublet of neuron and sinew. get on someone's nerves is chiefly a German nerven.
Etymology from Wiktionary, CC BY-SA