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G143

αἰσθάνομαι

aisthánomai /ahee-sthan'-om-ahee/ Ask about this word
of uncertain derivation
to apprehend (properly, by the senses)
perceive.

Word Study

In depth

A plain-language study of aisthánomai — the range of meaning it carries, how Scripture actually uses it, and where it points. Written for readers who don’t know the original language.

Core Meaning & Semantic Range

The Greek word aisthánomai, represented by G143, means to apprehend or perceive, particularly through the senses. Its use in scripture is highly specific, appearing only 1 time in 1 unique verse. This rarity highlights a focused application of the term, centered on the concept of sensory or spiritual perception.

Biblical Occurrences & Contextual Analysis

The single biblical use of G143 is found in Luke 9:45, where it describes the disciples' inability to grasp one of Jesus's sayings. The verse states that "it was hid from them, that they perceived it not." In this context, the failure to perceive is not presented as a simple lack of attention but as a state of being veiled from understanding. Their confusion was so profound that they "feared to ask him of that saying" Luke 9:45, showing that their lack of perception led to inaction.

Related Words & Concepts

Several related words in the same verse help to clarify the meaning of G143:

  • G50 agnoéō (not to know): Used in parallel, this word signifies that the disciples did "not understand" the saying, establishing the context of ignorance in which their failure to perceive occurred Luke 9:45.
  • G3871 parakalýptō (hide): This word explains the cause of their lack of perception; the meaning of the saying was "hid" or veiled from them Luke 9:45.
  • G5399 phobéō (to be alarmed, fear): This describes the disciples' emotional reaction to their inability to perceive the truth, as they "feared" to seek clarification Luke 9:45.
  • G2065 erōtáō (to ask, request): The disciples' fear prevented them from taking the next logical step, which was "to ask" Jesus for the meaning of the saying Luke 9:45.

Theological Significance

The theological weight of G143 is derived entirely from its singular, specific context. It underscores the nature of spiritual insight.

  • Veiled Truth: The use of G143 in Luke 9:45 demonstrates that spiritual perception can be actively prevented or "hid" G3871. This implies that understanding divine truth is not solely dependent on human effort or intellect.
  • The Consequence of Non-Perception: The disciples' failure to perceive led directly to fear G5399. This illustrates how a lack of spiritual clarity can result in feelings of alarm and an inability to engage further with God's word.
  • Apprehension Beyond the Senses: While the base definition refers to apprehending by the senses, its biblical application points to a deeper form of spiritual apprehension. The disciples heard the words but could not perceive their meaning.

Summary

In summary, G143 provides a crucial insight despite its single appearance. While it means to perceive, its sole use in Luke 9:45 describes a moment of failed perception. It highlights that understanding divine revelation is not a given; it can be veiled, and the inability to perceive a spiritual truth can lead to fear and hesitation rather than deeper inquiry. The word emphasizes that true spiritual apprehension is distinct from merely hearing or seeing.

How the KJV Renders It

Translation

Strong’s lists the renderings but not their weight. These are counted from the King James text of the tagged verses — the bar under each is how often the translators actually reached for it. Select one to filter the occurrences below.

Grammatical Forms

Morphology

In the Greek New Testament, this word appears as a verb across 1 occurrence, inflected in 1 grammatical form — each row is one form, and the bar is how often it is that form.

  • 2nd Aorist Middle Deponent Subjunctive 3rd Plural
Plural
More than one.
2nd
Second person — the one addressed ("you").
3rd
Third person — the one spoken about ("he"/"they").
Aorist
Action viewed as a single whole — usually a simple past event.
Middle Deponent
Middle in form but active in meaning.
Subjunctive
Possibility or purpose — "might", "should".

Related Words

Related

Other entries the study above points to — each one is drawn from a reference it makes. Follow the trail to see how the words connect.

Theographic Context

Context

The people, places, and span of history the verses containing this word touch on — drawn from the theographic tagging of Scripture. Select any name to isolate its verses in the occurrence list.

Biblical Distribution

Distribution

1 verse, all in Luke — and none of the other 26 New Testament books.

Every Occurrence

Concordance

Every verse where the word is tagged in the King James text. Filter by book, by the English word the translators chose, or search within the verses.

Sources. Definition and numbering: James Strong, Exhaustive Concordance of the Bible (1890). Morphology: STEPBible / Tyndale House (CC BY). Verse tagging: the King James text keyed to Strong’s numbers. Every count on this page is computed from the tagged corpus, not estimated.