senile
意味
- 老年の,老衰の,(特に)もうろくした
例文
He had grown senile recently.
彼はこのごろ頭がぼけてきた。
Grandfather is quite senile.
お祖父さんがかなり老衰している。
語源
英語の原文(Wiktionary)
1660s; borrowed from French sénile, from Middle French senile, from Old French senile, from Latin senīlis (“of or pertaining to old age”), from senex (“old man”), ultimately from Proto-Indo-European *sénos (“old”).