αἰσθάνομαι (G143) — Greek Lexicon

αἰσθάνομαι

aisthánomai

G143 verb

SILEX Entry

Definition

To perceive, notice, apprehend—especially by sensory experience or direct observation. The verb emphasizes perception through the senses rather than abstract reasoning, but may broadly extend to understanding, discerning, or grasping something experientially.

Semantic Range

to perceive by the senses, to notice, to become aware of (through experience), to discern, to apprehend, to understand (by direct perception)

Root / Etymology

Derivation is uncertain, but the word is likely connected to the noun αἴσθησις (aisthēsis, 'perception, sensation'). The ultimate root is typically associated with αἰσθ- (aisth-, 'perceive, sense'). Etiologically, the verbal ending -ομαι indicates the middle voice, commonly referring to action experienced by the subject.

Historical & Contextual Notes

αἰσθάνομαι appears primarily in later Greek (post-Classical, Hellenistic, and Koine). It is rare in Classical Attic, where closer equivalents include αἰσθάνομαι (in Attic forms), ἀντιλαμβάνομαι, or ὁράω. The Septuagint uses αἰσθάνομαι to translate Hebrew verbs like יָדַע (yada', 'to know') and בִּין (bin, 'to understand'), especially in contexts emphasizing perception or comprehension. In the New Testament, it typically means 'to perceive,' often involving understanding gained through personal experience (Luke 7:39, Acts 14:9). English 'perceive' sometimes narrows the sense, as the Greek term more inclusively connotes 'to grasp by the senses' or 'to become aware of (directly or experientially).' Not to be confused with γινώσκω ('to know') or οἶδα ('to be aware, to know factually'), which often center on cognitive knowledge rather than sensory perception. The word does not necessarily carry strong philosophical overtones, as αἴσθησις does in later Greek thought; the NT usage remains concrete or relational.

Original Strong's Gloss (1890)

of uncertain derivation; to apprehend (properly, by the senses):--perceive.

Root Family

αἰσθάνομαι (aisthanomai) — to perceive, to sense, to notice, to apprehend by senses

Root αἰσθ- to perceive, to sense, to notice, to apprehend by senses

Word Forms

1 distinct form

SIDANCE	Surface	Transliteration	Morphology	Common	SIBI-P1	SIBI-P2	Occurrences
`G143-01`	αἴσθωνται	aisthontai	`V AOR MID SUBJ 3P PL`	they might perceive	they might perceive for themselves	they might perceive for themselves	1

Occurrences in Scripture

1 occurrence

SIDANCE	Reference	Word	Transliteration	Morphology	Common	SIBI-P1	SIBI-P2
`G143-01`	Luke 9:45	αἴσθωνται	aisthontai	`V AOR MID SUBJ 3P PL`	they might perceive	they might perceive for themselves	they might perceive for themselves

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