I see how you stated Laleo means speak.There are also this.
Luke 2:38 V-IIA-3S
GRK: θεῷ καὶ ἐλάλει περὶ αὐτοῦ
NAS: to God, and continued to speak of Him to all
KJV: unto the Lord, and spake of him
INT: Lord and spoke concerning him
In the Strong's concordance it says this.
Strong's Concordance
laleó: to talk
Original Word: λαλέω
Part of Speech: Verb
Transliteration: laleó
Phonetic Spelling: (lal-eh'-o)
Short Definition: I speak, say
Definition: (I talk, chatter in classical Greek, but in NT a more dignified word) I speak, say.
NAS Exhaustive Concordance
Word Origin
from lalos (talkative)
Definition
to talk
NASB Translation
made (1), proclaiming (1), said (6), say (5), saying (7), says (2), speak (95), speak forth (1), speaking (54), speaks (25), spoke (44), spoken (38), stating (1), talked (1), talking (5), tell (1), telling (1), things spoken (2), told (7), uttered (1), whispered* (1).
Thayer's Greek Lexicon
STRONGS NT 2980: λαλέω
λαλέω, λαλῶ; imperfect 3 person singular ἐλάλει, plural ἐλάλουν; future λαλήσω; 1 aorist ἐλάλησα; perfect λελάληκα; passive, present λαλοῦμαι; perfect λελάλημαι; 1 aorist ἐλαλήθην; 1 future λαληθήσομαι:
It points out 20 occurrences of this word ἐλάλει.One of them is in Luke 2:38
ἐλάλει 20 Occ.
Luke 2:38 V-IIA-3S
GRK: θεῷ καὶ ἐλάλει περὶ αὐτοῦ
NAS: to God, and continued to speak of Him to all
KJV: unto the Lord, and spake of him
INT: Lord and spoke concerning him
It never meant that she preached in the congregation.She spoke to them about Jesus.
imperfect 3 person singular ἐλάλει, from the word Laleo which means to talk.
2980 [e] elalei ἐλάλει spoke V-IIA-3S
καὶ αὐτῇ τῇ ὥρᾳ ἐπιστᾶσα ἀνθωμολογεῖτο τῷ θεῷ καὶ ἐλάλει περὶ αὐτοῦ πᾶσιν τοῖς προσδεχομένοις λύτρωσιν Ἰερουσαλήμ.
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There are 21 versions from different bibles that use the word spoke and never preached.
Luke 2:38 And coming up at that very hour she began to give thanks to God and to speak of him to all who were waiting for the redemption of Jerusalem.
When it mentions Jesus preaching, it says just that,preaching.Or proclaiming.It uses these specific words.
Matthew 4:17 From that time on Jesus began to preach, "Repent, for the kingdom of heaven has come near."
Matthew 4:23 And he went throughout all Galilee, teaching in their synagogues and proclaiming the gospel of the kingdom and healing every disease and every affliction among the people.
This word ἐλάλει, speak, is never used in Matthew 4:17 or 4:23.The words used there are κηρύσσειν and κηρύσσων which mean preached and proclaimed