Strong’s Greek
G143 — aisthanomai
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
αἰσθάνομαι
aisthanomai — pronounced ahee-sthan'-om-ahee
of uncertain derivation; to apprehend (properly, by the senses):--perceive.
1 occurrence in the KJV.
Luke 9:45
But they understood not this saying, and it was hid from them, that they perceived it not: and they feared to ask him of that saying.